Crimetime Saturday is the official branding for a programming block

Block programming

Block programming or television block is a strategy of broadcast programming and radio programmers. Block programming occurs when the television network schedules similar television programs back-to-back. The concept is to provide similar programming to keep the viewers. Radio stations use it...

 that started in 2004–05 on the American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 CBS

CBS

CBS Broadcasting Inc. is a major US commercial broadcasting television network, which started as a radio network. The name is derived from the initials of the network's former name, Columbia Broadcasting System. The network is sometimes referred to as the "Eye Network" in reference to the shape of...

 and Canadian

Canada

Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

 CTV

CTV television network

CTV Television Network is a Canadian English language television network and is owned by Bell Media. It is Canada's largest privately-owned network, and has consistently placed as Canada's top-rated network in total viewers and in key demographics since 2002, after several years trailing the rival...

 networks between 9 and 11 p.m. ET/PT on Saturday nights. However, the branding is only listed by industry sources as a placeholder

Placeholder

Placeholder may refer to:In language:* Placeholder name, words that can refer to objects or people, whose names are unknown or irrelevant* Filler text, shares some characteristics of a real written text, but is random or otherwise generated...

 for the time slot, and not as an official on-air branding for night.

The first hour features rerun

Rerun

A rerun or repeat is a re-airing of an episode of a radio or television broadcast. The invention of the rerun is generally credited to Desi Arnaz. There are two types of reruns—those that occur during a hiatus, and those that occur when a program is syndicated. Reruns can also be, as the...

s of CBS's crime drama procedural series, which include the three series of the CSI franchise, Criminal Minds

Criminal Minds

Criminal Minds is an American police procedural drama that premiered September 22, 2005, on CBS. The series follows a team of profilers from the FBI's Behavioral Analysis Unit based in Quantico, Virginia. The BAU is part of the FBI National Center for the Analysis of Violent Crime...

, NCIS

NCIS (TV series)

NCIS, formerly known as NCIS: Naval Criminal Investigative Service, is an American police procedural drama television series revolving around a fictional team of special agents from the Naval Criminal Investigative Service, which conducts criminal investigations involving the U.S...

, NCIS: Los Angeles, Cold Case (prior to its cancellation) and The Mentalist

The Mentalist

The Mentalist is an American police procedural television series which debuted on September 23, 2008, on CBS. The show was created by Bruno Heller, who is also the show's executive producer...

, with the final hour featuring a new or encore edition of the CBS News

CBS News

CBS News is the news division of American television and radio network CBS. The current chairman is Jeff Fager who is also the executive producer of 60 Minutes, while the current president of CBS News is David Rhodes. CBS News' flagship program is the CBS Evening News, hosted by the network's main...

 newsmagazine

Newsmagazine

A news magazine is a typed, printed, and published piece of paper, magazine or a radio or television program, usually weekly, featuring articles or segments on current events...

 program 48 Hours Mystery

48 Hours (TV series)

48 Hours is a documentary and news program broadcast on the CBS television network since January 19, 1988. The program originally presented documentaries of various events related to a particular subject occurring within a 48-hour period, and is credited as one of the first to air a "reality show"...

, which focuses on true crime

True crime

True crime is a non-fiction literary and film genre in which the author examines an actual crime and details the actions of real people.The crimes most commonly include murder, but true crime works have also touched on other legal cases. Depending on the writer, true crime can adhere strictly to...

 stories.

Beginning in the 2011 season

2011–12 United States network television schedule

The 2011–2012 network television schedule for the five major English commercial broadcast networks in the United States covers primetime hours from September 2011 through May 2012...

, the block was reduced to two hours from three to make room for Comedytime Saturday

Comedytime Saturday

Comedytime Saturday is the official branding for a one-hour programming block that began with the 2011–12 United States network television schedule on CBS between 8 and 9 p.m. ET/PT on Saturday nights. The branding is only listed by industry sources as a placeholder for the time slot, and not as an...

, a one-hour sitcom

Situation comedy

A situation comedy, often shortened to sitcom, is a genre of comedy that features characters sharing the same common environment, such as a home or workplace, accompanied with jokes as part of the dialogue...

block, from 8–9 p.m. ET/PT.