Emmett Brown
Encyclopedia
Doctor Emmett Lathrop "Doc" Brown, Ph.D.
Doctor of Philosophy
Doctor of Philosophy, abbreviated as Ph.D., PhD, D.Phil., or DPhil , in English-speaking countries, is a postgraduate academic degree awarded by universities...

is a fictional character
Fictional character
A character is the representation of a person in a narrative work of art . Derived from the ancient Greek word kharaktêr , the earliest use in English, in this sense, dates from the Restoration, although it became widely used after its appearance in Tom Jones in 1749. From this, the sense of...

 and one of the lead characters in the Back to the Future
Back to the Future trilogy
The Back to the Future trilogy is a comedic science fiction adventure film series written by Bob Gale and Robert Zemeckis, directed by Zemeckis, produced by Amblin Entertainment and distributed by Universal Pictures. The main plot follows the adventures of a high school student Marty McFly and...

film
Film
A film, also called a movie or motion picture, is a series of still or moving images. It is produced by recording photographic images with cameras, or by creating images using animation techniques or visual effects...

 trilogy
Trilogy
A trilogy is a set of three works of art that are connected, and that can be seen either as a single work or as three individual works. They are commonly found in literature, film, or video games...

, in which he is the inventor of the first time machine
DeLorean time machine
The DeLorean time machine is a fictional automobile-based time travel device featured in the Back to the Future trilogy. In the feature film series, Dr...

, which he builds out of a DeLorean sports car. The character is memorably played by actor Christopher Lloyd
Christopher Lloyd
Christopher Allen Lloyd is an American actor. He is best known for playing Emmett Brown in the Back to the Future trilogy, Uncle Fester in The Addams Family and Addams Family Values, and Judge Doom in Who Framed Roger Rabbit. He played Reverend Jim Ignatowski in the television series Taxi and more...

 in all three films, as well as in the live action sequences of the animated series
Back to the Future: The Animated Series
Back to the Future: The Animated Series is an animated series for television based on the Back to the Future trilogy of feature films. The series lasted two seasons, each featuring 13 episodes, and ran on CBS from September 7, 1991 to November 28, 1992. It reran until August 14, 1993...

. He is voiced by Dan Castellaneta
Dan Castellaneta
Daniel Louis "Dan" Castellaneta is an American actor, voice actor, comedian, singer and screenwriter. Noted for his long-running role as Homer Simpson on the animated television series The Simpsons, he voices many other characters on The Simpsons, including Abraham "Grampa" Simpson, Barney Gumble,...

 in the animated series. The character's appearance and mannerisms are loosely inspired by Leopold Stokowski
Leopold Stokowski
Leopold Anthony Stokowski was a British-born, naturalised American orchestral conductor, well known for his free-hand performing style that spurned the traditional baton and for obtaining a characteristically sumptuous sound from many of the great orchestras he conducted.In America, Stokowski...

 and Albert Einstein
Albert Einstein
Albert Einstein was a German-born theoretical physicist who developed the theory of general relativity, effecting a revolution in physics. For this achievement, Einstein is often regarded as the father of modern physics and one of the most prolific intellects in human history...

. In 2008, Dr. Emmett Brown was selected by Empire magazine as one of The 100 Greatest Movie Characters of All Time, ranking at #76.

Character background

The character was born in 1914 (as established in Back to the Future: The Game
Back to the Future: The Game
Back to the Future: The Game is a graphic adventure video game based on the Back to the Future film franchise. The game was developed by Telltale Games as part of a licensing deal with Universal Pictures. Bob Gale, co-creator, co-writer and co-producer of the film trilogy, assisted Telltale in...

). He refers to himself as a "student of all sciences", and is shown to be a passionate inventor. Scientists are his role models, as evidenced by the names of his pet dog, whom he calls Copernicus
Nicolaus Copernicus
Nicolaus Copernicus was a Renaissance astronomer and the first person to formulate a comprehensive heliocentric cosmology which displaced the Earth from the center of the universe....

 in 1955, and his later dog, whom he calls Einstein in 1985, and the portraits of Isaac Newton
Isaac Newton
Sir Isaac Newton PRS was an English physicist, mathematician, astronomer, natural philosopher, alchemist, and theologian, who has been "considered by many to be the greatest and most influential scientist who ever lived."...

, Benjamin Franklin
Benjamin Franklin
Dr. Benjamin Franklin was one of the Founding Fathers of the United States. A noted polymath, Franklin was a leading author, printer, political theorist, politician, postmaster, scientist, musician, inventor, satirist, civic activist, statesman, and diplomat...

, Thomas Edison
Thomas Edison
Thomas Alva Edison was an American inventor and businessman. He developed many devices that greatly influenced life around the world, including the phonograph, the motion picture camera, and a long-lasting, practical electric light bulb. In addition, he created the world’s first industrial...

, and Albert Einstein
Albert Einstein
Albert Einstein was a German-born theoretical physicist who developed the theory of general relativity, effecting a revolution in physics. For this achievement, Einstein is often regarded as the father of modern physics and one of the most prolific intellects in human history...

 found in his laboratory (which were on a wall in his home in 1955), and his favourite author is Jules Verne
Jules Verne
Jules Gabriel Verne was a French author who pioneered the science fiction genre. He is best known for his novels Twenty Thousand Leagues Under the Sea , A Journey to the Center of the Earth , and Around the World in Eighty Days...

. When looking through his ancestral history, he reveals to Marty that his family name was originally von Braun, indicating a German background (and possibly alluding to a relation to the real-life and contemporary rocket scientist Wernher von Braun
Wernher von Braun
Wernher Magnus Maximilian, Freiherr von Braun was a German rocket scientist, aerospace engineer, space architect, and one of the leading figures in the development of rocket technology in Nazi Germany during World War II and in the United States after that.A former member of the Nazi party,...

, who was brought to America after the Second World War).

His character is one who can be absent-minded
Absent-minded professor
The absent-minded professor is a stock character of popular fiction, usually portrayed as a talented academic whose focus on academic matters leads them to ignore or forget their surroundings....

 at times, and despite being seen around fictional Hill Valley, the setting for all three films, evidence in the three films indicates that he is regarded as strange, eccentric, or crazy. He often enunciates his words with wide-eyed expressions and broad gestures ("Great Scott
Great Scott
Great Scott! is an exclamation of surprise, amazement, or dismay.- Possible origins :The origin of the expression is uncertain, with several plausible sources....

!" being one of the character's well-known catchphrases), and tends to use large words or phrases over short ones: for instance, referring to a dance as a "rhythmic ceremonial ritual" in the first film
Back to the Future
Back to the Future is a 1985 American science-fiction adventure film. It was directed by Robert Zemeckis, written by Zemeckis and Bob Gale, produced by Steven Spielberg, and starred Michael J. Fox, Christopher Lloyd, Lea Thompson, Crispin Glover and Thomas F. Wilson. The film tells the story of...

. An article in the July/August 2010 online edition of Autism/Asperger's Digest cites the aforementioned eccentricities and speculates in a tongue-in-cheek manner that Doc may have Asperger syndrome
Asperger syndrome
Asperger's syndrome that is characterized by significant difficulties in social interaction, alongside restricted and repetitive patterns of behavior and interests. It differs from other autism spectrum disorders by its relative preservation of linguistic and cognitive development...

.

The only friends the character is shown to have are Marty, and Marty's girlfriend, Jennifer. The films do not depict how Doc originally met Marty, however production notes and word from creators Bob Zemeckis and Bob Gale
Bob Gale
Michael Robert "Bob" Gale is an American screenwriter who co-wrote the science fiction film Back to the Future with writing partner Robert Zemeckis, and the screenplays for the film's two sequels. Gale also co-produced all three films....

 have stated that they met several years prior to the events of the first film when Marty sneaked into his lab after being warned to stay away from Doc by his parents. Doc was happy to be revered as being cool and hired Marty as his part-time lab assistant.

Doc has been involved in illegal and criminal enterprises within the scope of the films—albeit as a means to obtain items he could not purchase legally—but shows naïveté over the repercussions of his actions, excitedly telling Marty how he cheated Libya
Libya
Libya is an African country in the Maghreb region of North Africa bordered by the Mediterranean Sea to the north, Egypt to the east, Sudan to the southeast, Chad and Niger to the south, and Algeria and Tunisia to the west....

n terrorists
Terrorism
Terrorism is the systematic use of terror, especially as a means of coercion. In the international community, however, terrorism has no universally agreed, legally binding, criminal law definition...

 out of stolen plutonium
Plutonium
Plutonium is a transuranic radioactive chemical element with the chemical symbol Pu and atomic number 94. It is an actinide metal of silvery-gray appearance that tarnishes when exposed to air, forming a dull coating when oxidized. The element normally exhibits six allotropes and four oxidation...

, saying "they wanted me to build them a bomb, so I took their plutonium and, in turn, gave them a shoddy bomb casing full of old used pinball machine parts!"

The character begins the trilogy somewhat innocent and very enthusiastic over the possible applications of his discovery, and actively tries to alter the past or future of various principal characters, in efforts to improve their lives. However, events throughout the story, particularly in the second film
Back to the Future Part II
Back to the Future Part II is a 1989 American science fiction comedy film and the second installment of the Back to the Future trilogy. It was directed by Robert Zemeckis, written by Zemeckis and Bob Gale, and starred Michael J. Fox, Christopher Lloyd, Thomas F. Wilson and Lea Thompson...

, bring him to the conclusion that time travel should not be used because of the hazards involved, and that the time machine should be destroyed. In the third film
Back to the Future Part III
Back to the Future Part III is a 1990 American science fiction comedy Western film. It is the third installment of the Back to the Future trilogy. The film was directed by Robert Zemeckis and starred Michael J. Fox, Christopher Lloyd, Mary Steenburgen, Thomas F. Wilson and Lea Thompson. The film...

, after realizing he has unwittingly altered history by preventing the death of Clara Clayton in 1885, Doc expresses regret for inventing the time machine at all, remarking that it has "caused nothing but disaster."

However, after being left behind in 1885 when Marty departs in the DeLorean for 1985, Doc starts a family with Clara. He creates another time machine and builds it into a steam locomotive, which he uses to transport his family to 1985 (to collect his dog, Einstein) after having traveled to an unspecified point further in the future (presumably 2015 in order to give the locomotive a hover conversion akin to the DeLorean and to show his wife and children society beyond their natural years, which is also reinforced by Doc's answer to Marty's question if he is going "back to the future", and Brown answered in the negative, stating they have "already been there!"). The trilogy ends with Doc and his family departing 1985.

Back to the Future

On Saturday, November 5, 1955, Doc came up with the idea of the flux capacitor (which is what makes time travel
Time travel
Time travel is the concept of moving between different points in time in a manner analogous to moving between different points in space. Time travel could hypothetically involve moving backward in time to a moment earlier than the starting point, or forward to the future of that point without the...

 possible) after slipping off his toilet
Toilet
A toilet is a sanitation fixture used primarily for the disposal of human excrement, often found in a small room referred to as a toilet/bathroom/lavatory...

 while standing on it to hang a clock and bumping his head on the edge of the sink. The idea came to him in a vision he had after being knocked out. The time machine project suffered a setback on Wednesday, August 1, 1962 when Doc's mansion at 1640 Riverside (later John F. Kennedy
John F. Kennedy
John Fitzgerald "Jack" Kennedy , often referred to by his initials JFK, was the 35th President of the United States, serving from 1961 until his assassination in 1963....

) Drive burnt down.

In the original movie, after the fire Doc moved into his former garage (which was down the hill from the mansion and was not affected by the blaze), addressed as 1646 Riverside Drive. There were rumors that he had deliberately burnt it down to claim the insurance money to fund the time machine. Whether or not that was the case, Doc still had to use up most of his family's fortune to fund the creation of his time machine. Doc moved to his garage and sold the rest of his estate to developers, but he was soon back on track. On Monday, May 23, 1983, he was commended and given a civic award for unspecified reasons. Another indicator of Doc's moneymaking could have been a large truck he owned which was advertised as "Dr. E. Brown 24-Hour Scientific Services". This truck may simply have been used to transport cumbersome materials, however it also suggests Brown offered himself as a contractor
Independent contractor
An independent contractor is a natural person, business, or corporation that provides goods or services to another entity under terms specified in a contract or within a verbal agreement. Unlike an employee, an independent contractor does not work regularly for an employer but works as and when...

 to those in need of technical and scientific help in order to make money to defray the cost of building the time machine.

Doc finally finished installing his time machine into a DeLorean sports car in 1985, using plutonium
Plutonium
Plutonium is a transuranic radioactive chemical element with the chemical symbol Pu and atomic number 94. It is an actinide metal of silvery-gray appearance that tarnishes when exposed to air, forming a dull coating when oxidized. The element normally exhibits six allotropes and four oxidation...

 to power the time circuits and the flux capacitor, and was apparently killed by the group of Libyan
Libya
Libya is an African country in the Maghreb region of North Africa bordered by the Mediterranean Sea to the north, Egypt to the east, Sudan to the southeast, Chad and Niger to the south, and Algeria and Tunisia to the west....

 terrorists who had given it to him as they wanted a nuclear weapon
Nuclear weapon
A nuclear weapon is an explosive device that derives its destructive force from nuclear reactions, either fission or a combination of fission and fusion. Both reactions release vast quantities of energy from relatively small amounts of matter. The first fission bomb test released the same amount...

 in return, but Doc, in an act of either extreme courage or extreme foolhardiness, merely gave them "a shoddy bomb casing full of used pinball
Pinball
Pinball is a type of arcade game, usually coin-operated, where a player attempts to score points by manipulating one or more metal balls on a playfield inside a glass-covered case called a pinball machine. The primary objective of the game is to score as many points as possible...

 machine parts."

Marty, who had witnessed the first time travel experiment, was accidentally sent back to 1955, where he tried to warn the 1955 version of Doc about the terrorists. Doc did not want to know too much about his own future and ripped up the warning letter Marty had written him. Doc successfully sent Marty back to the future by harnessing the energy from a bolt of lightning as it struck the Hill Valley clock tower on Saturday, November 12, 1955 at 10:04 pm. Sometime after these events, one can surmise, Doc decided to take the risk, taped together Marty's warning letter, and discovered the truth about that night in 1985. When 1985 rolled around again, it turned out the Doc wore a bulletproof vest
Bulletproof vest
A ballistic vest, bulletproof vest or bullet-resistant vest is an item of personal armor that helps absorb the impact from firearm-fired projectiles and shrapnel from explosions, and is worn on the torso...

 for protection, apparently modified to resist rifle
Rifle
A rifle is a firearm designed to be fired from the shoulder, with a barrel that has a helical groove or pattern of grooves cut into the barrel walls. The raised areas of the rifling are called "lands," which make contact with the projectile , imparting spin around an axis corresponding to the...

 fire.
After dropping Marty home, Doc went 30 years into the future. He went to October 21, 2015 and while he was there, he observed a chain of disastrous incidents that destroy Marty's life, and then skipped back in time to find the origin, tying it to a specific incident in 2015 that occurred between Marty's son, Marty Jr. and Biff's grandson, Griff. While there, he got an "all natural overhaul" to his body which added 30 or 40 years to his life and made him look younger, just like back in 1955. (This had little effect on his appearance, and was written into the script to allow the actor not to wear "old" makeup through the second and third films). He also got the DeLorean hover-converted and installed a "Mr. Fusion". The Mr. Fusion reactor eliminated the need for plutonium, and allowed the time machine to operate off ordinary household garbage. Afterward, Doc returned to 1985 to pick up Marty (and Jennifer, who happened to be there) to take them to 2015.

Back to the Future Part II

Doc had discovered that Marty's son, Marty Jr, was to go to jail for committing a crime, an event which would end up destroying the McFly family. Doc devises a plan for Marty to pose as Marty, Jr. (since the father-son resemblance was uncanny), as well as to prevent the crime from occurring. Doc then discovered that Marty had bought a sports almanac
Almanac
An almanac is an annual publication that includes information such as weather forecasts, farmers' planting dates, and tide tables, containing tabular information in a particular field or fields often arranged according to the calendar etc...

 to take back to 1985 with him. Doc lectured Marty about how he had not invented the time machine for financial gain (though, ironically, he had mentioned in the first movie that he would go ahead in time 25 years and one of the things he would do is find out the next 25 World Series
World Series
The World Series is the annual championship series of Major League Baseball, played between the American League and National League champions since 1903. The winner of the World Series championship is determined through a best-of-seven playoff and awarded the Commissioner's Trophy...

 winners. Even so, it is never said that he would use it for gambling, or any other profitable trick.) Unknown to Doc or Marty, a now-elderly Biff Tannen
Biff Tannen
Biff Howard Tannen is a character in the Back to the Future trilogy, serving as the primary antagonist of the first two films. He is played by Thomas F. Wilson in all three films as well as the ride, and Wilson voiced the character in the animated series....

 overheard the conversation and later stole the DeLorean and the Almanac while Doc and Marty were rescuing 1985 Jennifer from the future McFly family house. Later in the film, it is revealed that Biff went back to November 12, 1955 and gave the Almanac to his 1955 teenaged self. On their way back to the DeLorean Doc had become convinced of the profound hazards involved in time travel and decided once they return to 1985, he would destroy the time machine, as time travel is just too dangerous to be used.

Doc, Marty, and Jennifer arrived back in 1985 only to discover that history had been altered. Biff's wealth had led to a total alteration of Hill Valley to Biff's wishes and supposed alterations to the entire world's history (such as Richard Nixon
Richard Nixon
Richard Milhous Nixon was the 37th President of the United States, serving from 1969 to 1974. The only president to resign the office, Nixon had previously served as a US representative and senator from California and as the 36th Vice President of the United States from 1953 to 1961 under...

 still being in office and the Vietnam War
Vietnam War
The Vietnam War was a Cold War-era military conflict that occurred in Vietnam, Laos, and Cambodia from 1 November 1955 to the fall of Saigon on 30 April 1975. This war followed the First Indochina War and was fought between North Vietnam, supported by its communist allies, and the government of...

 still being fought in 1985). In this version of history, Doc has been committed to an insane asylum since 1983 (he was committed on the same day he won his award in the "proper" history). It is speculated that since Biff was warned by his older self upon delivery of the almanac that a "crazy, wild-eyed old man who claims to be a scientist" would ask about it someday, Biff was the one who had Doc committed, but no concrete evidence is provided in the film. It is also possible that Doc actually went insane due to the changes in the timeline, which only he would be aware of and be unable to reconcile with how he knew history should have unfolded.

Doc and Marty headed back to 1955 to correct the timeline, and while Marty tracked down Biff to get the almanac from him, Doc attempted to make repairs to the time circuits, which had developed a fault and kept re-setting the Destination Time setting to January 1, 1885. When Doc discovered Marty had got the Almanac, he went to the roof of Hill Valley High School, but the ground beneath him broke. Doc screamed as he grabbed onto the hands of the clock and dangled there for dear life. He also accidentally switched on the time circuits, which was set at 1885. Their mission of stealing the almanac and setting history straight was accomplished. However this success was quickly followed by Doc, in the DeLorean, being sent back to 1885 when a bolt of lightning struck the DeLorean, causing a gigawatt overload. Once in 1885, Doc set himself up as a blacksmith
Blacksmith
A blacksmith is a person who creates objects from wrought iron or steel by forging the metal; that is, by using tools to hammer, bend, and cut...

 while trying to fix the DeLorean, but had to give up as suitable parts to repair the DeLorean's destroyed microchip
Integrated circuit
An integrated circuit or monolithic integrated circuit is an electronic circuit manufactured by the patterned diffusion of trace elements into the surface of a thin substrate of semiconductor material...

 would not be invented until 1947 (the actual date of the invention of the transistor
Transistor
A transistor is a semiconductor device used to amplify and switch electronic signals and power. It is composed of a semiconductor material with at least three terminals for connection to an external circuit. A voltage or current applied to one pair of the transistor's terminals changes the current...

.) He buried the DeLorean in the abandoned Delgado Mine on the outskirts of town and wrote a letter to Marty to be delivered just minutes after the DeLorean was struck by lightning. The letter was held by Western Union
Western Union
The Western Union Company is a financial services and communications company based in the United States. Its North American headquarters is in Englewood, Colorado. Up until 2006, Western Union was the best-known U.S...

 for the next 70 years, 2 months and 12 days, and given to Marty in 1955.

It also appears that Doc has made other travels to different time periods before coming back for Marty in 1985 because he has a suitcase full of vintage money for, as he calls it, "all monetary possibilities."

Back to the Future Part III

Marty received the letter and ran to the 1955 Doc, who had just sent the younger Marty back to the future. He initially disbelieved that Marty had returned, but eventually came to his senses. Marty and Doc uncovered the DeLorean and repaired it, but Marty discovered that on September 7, 1885 (one week after he wrote the letter), Doc would be murdered by Buford "Mad Dog" Tannen, Biff's great-grandfather. Marty headed back to September 2, 1885, the day after Doc wrote the letter and five days before Doc's death, to save his friend.

Marty located Doc, and once again Doc had to make repairs to the time machine after it ran out of gas (hard to come by in 1885 since cars wouldn't exist in the United States until 23 years later) when its fuel line was ruptured. While making a plan to use a train to push the DeLorean to 88 mph, Doc saved a teacher, Clara Clayton, from falling into a ravine after a snake spooked her horses. The ravine was, in the proper timeline, called Clayton Ravine after Clara fell into it. They fell in love at first sight, much to the despair of Marty who saw Clara as a distraction. Doc and Clara danced at the town festival on September 5, where Marty managed to save Doc from being shot early by Buford Tannen (It is also possible that this was supposed to have been the fatal event - Tannen told the Doc that the last man shot with the gun took two days to die along with that with his small gun, he predicted Doc would be dead by suppertime Monday). Doc and Clara also had their first kiss that night.

Later, Doc realized he would have to leave Clara behind when he went back to the future with Marty on Monday. He said goodbye to her and told her the truth about where he came from. Naturally, she did not believe him and slapped him. Broken-hearted, Doc went to have a glass of whisky at the Palace Saloon
Bar (establishment)
A bar is a business establishment that serves alcoholic drinks — beer, wine, liquor, and cocktails — for consumption on the premises.Bars provide stools or chairs that are placed at tables or counters for their patrons. Some bars have entertainment on a stage, such as a live band, comedians, go-go...

, where Marty found him next morning (Monday) with the same glass of whisky. After drinking the whisky, he immediately fell down drunk. Marty and Chester the bartender managed to revive Doc with an extremely spicy concoction called "wake-up juice
Prairie oyster (cocktail)
A Prairie Oyster is a drink consisting of a raw egg, Worcestershire sauce, hot sauce, salt and ground black pepper. The egg is broken into a glass so as not to break the yolk, which causes the drink to bear a similarity to the texture of an actual oyster...

" which included tabasco sauce
Tabasco sauce
Tabasco sauce is the brand name for a hot sauce produced by US-based McIlhenny Company of Avery Island, Louisiana. Tabasco sauce is made from tabasco peppers , vinegar, and salt, and aged in white oak barrels for three years. It has a hot, spicy flavor...

, and afterwards Doc and Marty hijacked a train to use to push the DeLorean up to 88 miles per hour (141 km/h). Clara reappeared, having seen Doc's train model plan and realized Doc was telling the truth, but nearly fell off the train. Doc managed to save her, with help from Marty's hoverboard
Hoverboard
A Hoverboard is a fictional hovering board used for personal transportation in the films Back to the Future Part II and Back to the Future Part III. Hoverboards resemble a skateboard without wheels. Through special effects the filmmakers depicted the boards hovering above the ground...

 (a piece of technology from 2015), but decided to stay behind with Clara in 1885 (or that he realized he had not enough time to get in the time machine and attempting to do so might strand Marty in 1885 as well). Marty managed to get home, but the time machine was destroyed less than a minute after his arrival by a modern locomotive plowing through it, meaning he could not go back to rescue Doc and Clara from the past.

Over the next 10 years, Doc and Clara married (they marry on December 15, 1885 according to the animated series episode, "Solar Sailors") and had two sons, Jules and Verne, named after their favorite author. Doc also built a new time machine, this time using a steam locomotive
Steam locomotive
A steam locomotive is a railway locomotive that produces its power through a steam engine. These locomotives are fueled by burning some combustible material, usually coal, wood or oil, to produce steam in a boiler, which drives the steam engine...

. The Brown family take off to visit the future (to get the train hover-converted) and then back to 1985 to pick up Einstein (his dog), and visit Marty and Jennifer (when and where Marty thought he would never see Doc again due to the time machine being destroyed), before heading off to times unknown.

Back to the Future: The Ride

Although Back to the Future: The Ride is not taken as canon
Canon (fiction)
In the context of a work of fiction, the term canon denotes the material accepted as "official" in a fictional universe's fan base. It is often contrasted with, or used as the basis for, works of fan fiction, which are not considered canonical...

 by some, it reveals that the Brown family eventually moved back to the 20th century and that by 1991, Doc had set up the Institute of Future Technology. He modified a time-traveling DeLorean to seat eight, which comes in handy after Biff steals the time machine again and the audience, in their own time-traveling DeLorean, must help Doc chase Biff through time. The ride was featured at Universal Studios
Universal Parks & Resorts
Universal Parks and Resorts is the theme park division of NBCUniversal, a subsidiary of Universal Music Group and General Electric. The division is responsible for the operation and maintenance of the various Universal Studios resort properties around the world...

 in Hollywood
Universal Studios Hollywood
Universal Studios Hollywood is a movie studio and theme park in the unincorporated Universal City community of Los Angeles County, California, United States. It is one of the oldest and most famous Hollywood movie studios still in use...

, Florida
Universal Studios Florida
Universal Studios Florida is an American theme park located in Orlando, Florida. Opened on June 7, 1990, the park's theme is the entertainment industry, in particular movies and television. Universal Studios Florida inspires its guests to "ride the movies," and it features numerous attractions and...

 and Japan
Universal Studios Japan
, located in Osaka, is one of four Universal Studios theme parks, owned and operated by USJ Co., Ltd. . The park is similar to Universal Orlando Resort, since it contains many of the same rides. Most visitors are Japanese tourists or tourists from other Asian countries such as Taiwan, Hong Kong,...

. The Florida and Hollywood versions closed in March and September of 2007 respectively and were both replaced with The Simpsons Ride
The Simpsons Ride
The Simpsons Ride is a simulator ride featured at the Universal Studios Florida and Universal Studios Hollywood theme parks. The ride is based on the animated television series The Simpsons. It was first announced in 2007 and replaced the Back to the Future: The Ride at both locations...

, which opened in May 2008.

Back to the Future: The Animated Series

This series starts in 1991 after the events from Part III and the Ride, where Doc, Clara, Jules and Verne now live in a farmhouse outside Hill Valley with Einstein the dog. The family, along with Marty, have traveled through time in both the train time machine and a rebuilt and improved DeLorean (which looks the same externally as before it was rebuilt, but is drastically different inside).

The Simpsons Ride

In The Simpsons Ride
The Simpsons Ride
The Simpsons Ride is a simulator ride featured at the Universal Studios Florida and Universal Studios Hollywood theme parks. The ride is based on the animated television series The Simpsons. It was first announced in 2007 and replaced the Back to the Future: The Ride at both locations...

, in a tribute to the ride it replaced, Back to the Future: The Ride
Back to the Future: The Ride
Back to the Future: The Ride is a simulator ride based on and inspired by the Back to the Future trilogy and is a mini-sequel to 1990's Back to the Future Part III. In the United States, it was replaced by The Simpsons Ride...

, Emmett Brown has a brief cameo voiced over by Christopher Lloyd
Christopher Lloyd
Christopher Allen Lloyd is an American actor. He is best known for playing Emmett Brown in the Back to the Future trilogy, Uncle Fester in The Addams Family and Addams Family Values, and Judge Doom in Who Framed Roger Rabbit. He played Reverend Jim Ignatowski in the television series Taxi and more...

. It should be noted that in the animated series of Back to the Future, Brown was voiced by Dan Castellaneta
Dan Castellaneta
Daniel Louis "Dan" Castellaneta is an American actor, voice actor, comedian, singer and screenwriter. Noted for his long-running role as Homer Simpson on the animated television series The Simpsons, he voices many other characters on The Simpsons, including Abraham "Grampa" Simpson, Barney Gumble,...

, also the voice of the Simpson family patriarch
Patriarch
Originally a patriarch was a man who exercised autocratic authority as a pater familias over an extended family. The system of such rule of families by senior males is called patriarchy. This is a Greek word, a compound of πατριά , "lineage, descent", esp...

 Homer Simpson
Homer Simpson
Homer Jay Simpson is a fictional character in the animated television series The Simpsons and the patriarch of the eponymous family. He is voiced by Dan Castellaneta and first appeared on television, along with the rest of his family, in The Tracey Ullman Show short "Good Night" on April 19, 1987...

.

In the cameo, Professor Frink
Professor Frink
Professor John Nerdelbaum Frink, Jr., or simply Professor Frink, is a recurring character in the animated television series The Simpsons. He is voiced by Hank Azaria, and first appeared in the 1991 episode "Old Money". Frink is Springfield's nerdy scientist and professor and is extremely...

, Doc's colleague as it is revealed in the ride, is shocked to discover that Doc's Institute has been turned into Krustyland, a theme park built by Krusty the Clown. So, he drives a DeLorean time machine back in time to save the institute, where, two years earlier, Doc is about to sign a contract with a banker, named Mr. Freidman, to save the Institute. However, as Doc is about to sign, Frink drives the DeLorean into the banker. Doc becomes upset at Frink, and complains that he has to sell his Institute to "that mercenary clown", who happens to be Krusty. Krusty then appears and puts a Krustyland sign in front of the Institute, and Frink complains that he created a time paradox. Doc asks Krusty if there's anything he can do for him, to which Krusty responds he can sell tickets at the front gate if he "gets a haircut". Doc says it takes him three hours a day "Just to get it like this!". It is then presumed that the Institute of Future Technology became Krustyland.

Back to the Future: The Game

Christopher Lloyd reprises his role as Dr. Brown in Telltale Games' Back to the Future: The Game
Back to the Future: The Game
Back to the Future: The Game is a graphic adventure video game based on the Back to the Future film franchise. The game was developed by Telltale Games as part of a licensing deal with Universal Pictures. Bob Gale, co-creator, co-writer and co-producer of the film trilogy, assisted Telltale in...

. As of July 2011, five episodes have been released. Set 6 months after the end of Part III, Marty is missing Doc as the bank sells his belongings. Suddenly, the DeLorean arrives and Marty finds he is imprisoned in 1931, destined to be gunned down by a mob. By collaborating with a younger Emmett Brown, (voiced by James Arnold Taylor
James Arnold Taylor
James Arnold Taylor is an American voice actor, Impressionist, and Announcer. He is the current voice provider for Fred Flintstone as well as Obi-Wan Kenobi in the TV series Star Wars: The Clone Wars and also the movie Star Wars: The Clone Wars and Johnny Test in Johnny Test...

), Marty is able to rescue Doc, as well as ensure the safety of his grandfather, Arthur McFly. However, their meddling inadvertently changes the future of Young Emmett, and Marty winds up in an alternate 1986 ruled over by Doc, who is now Hill Valley's First Citizen. Marty is able to convince Doc to go back to 1931 and try to fix the timeline, but in 1931 Doc changes his mind and attempts to stop Marty from fixing it. The original timeline was restored, however, and he was erased from existence, but later events cause the entire city of Hill Valley to be erased, back in 1876. Marty and Doc fix the timeline once more, but upon returning to 1986 three alternate versions of Marty appear.

In other media

Doc is a playable character in the first level of the video game of Back to the Future Part III
Back to the Future Part III (video game)
For other Back to the Future games, see List of Back to the Future video gamesBack to the Future Part III is the title of a video game released for the Sega Genesis and is based on the film of the same name. The game is different from LJN's Back to the Future Part II & III video game released for...

. In the game, he must ride his horse to prevent Clara Clayton from falling into the ravine, using a pistol to fend off enemies.

In 2011 American Singer Britney Spears
Britney Spears
Britney Jean Spears is an American recording artist and entertainer. Born in McComb, Mississippi, and raised in Kentwood, Louisiana, Spears began performing as a child, landing acting roles in stage productions and television shows. She signed with Jive Records in 1997 and released her debut album...

 joked that Dr. Emmett Brown was her favorite scientist for "I Am FIRST: Science is Rock and Roll".

Doc Brown has made several non-canon appearances. Lloyd first reprised the role for the 1985 Huey Lewis & The News "The Power of Love" video. In 2011 Lloyd appears as Brown in commercials for the Argentine Electronics Store Garbarino and for Nike.

In September of that year, Lloyd reprised the role for an eBay
EBay
eBay Inc. is an American internet consumer-to-consumer corporation that manages eBay.com, an online auction and shopping website in which people and businesses buy and sell a broad variety of goods and services worldwide...

 charity auction promotion. Nike
Nike, Inc.
Nike, Inc. is a major publicly traded sportswear and equipment supplier based in the United States. The company is headquartered near Beaverton, Oregon, which is part of the Portland metropolitan area...

 had produced 1500 reproductions of the 'futuristic' trainers Doc gave Marty McFly in 2015 (Back to the Future Part II), with all net proceeds from the auction going to the Michael J. Fox Foundation for research into Parkinson's disease
Parkinson's disease
Parkinson's disease is a degenerative disorder of the central nervous system...

.

Back to the Future Part III footage of Lloyd was incorporated into the 1990 ZZ Top "Doubleback" video.
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