"Walk on Water'" is the 15th episode of the third season of the ABC

American Broadcasting Company

The American Broadcasting Company is an American commercial broadcasting television network. Created in 1943 from the former NBC Blue radio network, ABC is owned by The Walt Disney Company and is part of Disney-ABC Television Group. Its first broadcast on television was in 1948...

 series, Grey's Anatomy

Grey's Anatomy

Grey's Anatomy is an American medical drama television series created by Shonda Rhimes. The series premiered on March 27, 2005 on ABC; since then, seven seasons have aired. The series follows the lives of interns, residents and their mentors in the fictional Seattle Grace Mercy West Hospital in...

. The episode was written by Shonda Rhimes and was directed by Rob Corn. The episode originally aired on February 8, 2007, running for 43:06 min.

Starring

• Ellen Pompeo
  Ellen Pompeo
  Ellen Kathleen Pompeo is an American actress, known for playing the title role of Meredith Grey on the ABC medical drama Grey's Anatomy.-Early life:...
  
   as Dr. Meredith Grey.
• Sandra Oh
  Sandra Oh
  Sandra Oh is a Canadian actress. She is best known for the role of Dr. Cristina Yang on ABC's Grey's Anatomy, for which she has won a Golden Globe and Screen Actors Guild award. She also played notable roles in the feature films Under the Tuscan Sun and Sideways, and had a supporting role on the...
  
   as Dr. Christina Yang.
• Katherine Heigl
  Katherine Heigl
  Katherine Marie Heigl is an American actress and producer. She is possibly best known for her role as Dr. Izzie Stevens on ABC's Grey's Anatomy from 2005 to 2010, for which she won a Primetime Emmy Award for Outstanding Supporting Actress – Drama Series in 2007...
  
   as Dr. Izzie Stevens.
• Justin Chambers
  Justin Chambers
  Justin W. Chambers is an American actor and former Calvin Klein male fashion model. As of 2005, he is starring in the ABC drama series Grey's Anatomy as Dr. Alex Karev....
  
   as Dr. Alex Karev.
• T.R. Knight as Dr. George O´Malley.
• Chandra Wilson
  Chandra Wilson
  Chandra Danette Wilson is an American actress and director, best known as Dr. Miranda Bailey in the ABC television drama, Grey's Anatomy.-Early life:...
  
   as Dr. Miranda Bailey.
• James Pickens, Jr.
  James Pickens, Jr.
  James Pickens, Jr. is an American actor. He is best known for his starring role as Dr. Richard Webber on the ABC drama television series Grey's Anatomy, and for his supporting role as Deputy Director Alvin Kersh on later seasons of the Fox Network science fiction series The X-Files.- Early life...
  
   as Dr. Richard Webber.
• Kate Walsh as Dr. Addison Montgomery.
• Sara Ramirez
  Sara Ramírez
  Sara Ramírez is a Mexican-American singer/songwriter and actress. She is known for her role as Callie Torres in Grey's Anatomy and as the original Lady of the Lake in the 2005 Broadway musical Spamalot, for which she won the Tony Award for Best Featured Actress in a Musical.-Early life:Ramírez...
  
   as Dr. Callie Torres.
• Eric Dane
  Eric Dane
  Eric Dane is an American actor. After appearing in television roles throughout the 1990s and 2000s, he became known for playing Dr...
  
   as Dr. Mark Sloan.
• Isaiah Washington
  Isaiah Washington
  Isaiah Washington IV is an American actor. A veteran of several Spike Lee films, Washington is best known for his role as Dr. Preston Burke on the ABC medical drama Grey's Anatomy from 2005 to 2007.-Personal life:...
  
   as Dr. Preston Burke.
• Patrick Dempsey
  Patrick Dempsey
  Patrick Galen Dempsey is an American actor, known for his role as neurosurgeon Dr. Derek Shepherd on the medical drama Grey's Anatomy. Prior to Grey's Anatomy he made several television appearances and was nominated for an Emmy Award...
  
   as Dr. Derek Shepherd.

Episode Summary

A horrific ferry boat accident challenges the interns, as well as the rest of the hospital staff, both physically and mentally as they all near their breaking point. Chief Webber has to assemble and send out a team to the location of the accident to help save the few lives that were spared. On location, Alex tends to a woman who was crushed by a cement pylon. Meanwhile, Meredith looks out for a lost young girl and George searches frantically for a woman's young son.

Music

• "Make This Go On Forever" by Snow Patrol
  Snow Patrol
  Snow Patrol are an alternative rock band from Bangor, County Down, Northern Ireland. Formed at the University of Dundee in 1994 as an indie rock band, the band is now based in Glasgow...
  
  
• "Liar" by 8mm
• "The Hop" by Radio Citizen Feat. Bajka
• "Opposite Direction" by Union of Knives