Whodunnit? is a British television

British television

Public television broadcasting started in the United Kingdom in 1936, and now has a collection of free and subscription services over a variety of distribution media, through which there are over 480 channelsTaking the base Sky EPG TV Channels. A breakdown is impossible due to a) the number of...

 game show

Game show

A game show is a type of radio or television program in which members of the public, television personalities or celebrities, sometimes as part of a team, play a game which involves answering questions or solving puzzles usually for money and/or prizes...

, broadcast between 1972

1972 in television

The year 1972 in television involved some significant events.Below is a list of television-related events in 1972.For the American TV schedule, see: 1972-73 American network television schedule.-Events:...

 and 1978

1978 in television

The year 1978 in television involved some significant events.Below is a list of television-related events in 1978.For the American TV schedule, see: 1978-79 American network television schedule.-Events:...

 for ITV

ITV

ITV is the major commercial public service TV network in the United Kingdom. Launched in 1955 under the auspices of the Independent Television Authority to provide competition to the BBC, it is also the oldest commercial network in the UK...

 by Thames Television

Thames Television

Thames Television was a licensee of the British ITV television network, covering London and parts of the surrounding counties on weekdays from 30 July 1968 until 31 December 1992....

.

It was written by Lance Percival

Lance Percival

Lance Percival is an English actor, comedian and after-dinner speaker.-Biography:Educated at Sherborne School, Percival first became well known for performing topical calypsos on television satire shows such as That Was The Week That Was. He appeared in the Carry On film, Carry On Cruising...

 and Jeremy Lloyd

Jeremy Lloyd

Jeremy Lloyd is an English writer, screenwriter, author and actor, best known as co-author and writer of several successful British sitcoms.-Career:...

, and hosted first by Edward Woodward

Edward Woodward

Edward Albert Arthur Woodward, OBE was an English stage and screen actor and singer. After graduating from the Royal Academy of Dramatic Art , Woodward began his career on stage, and throughout his career he appeared in productions in both the West End in London and on Broadway in New York...

, then by Jon Pertwee

Jon Pertwee

John Devon Roland Pertwee , was an English actor. Pertwee is best known for his role in the BBC science fiction television series Doctor Who, in which he played the third incarnation of the Doctor from 1970 to 1974, and as the title character in the series Worzel Gummidge...

. Each week it featured a short murder-mystery drama enacted in front of a panel of celebrity

Celebrity

A celebrity, also referred to as a celeb in popular culture, is a person who has a prominent profile and commands a great degree of public fascination and influence in day-to-day media...

 guests, who then had to interview the remaining characters to establish who the murderer was. The only clue was that only the murderer could lie.

It was similar in format, although not officially connected to, the popular board game

Board game

A board game is a game which involves counters or pieces being moved on a pre-marked surface or "board", according to a set of rules. Games may be based on pure strategy, chance or a mixture of the two, and usually have a goal which a player aims to achieve...

 Cluedo

Cluedo

Cluedo is a popular murder/mystery-themed deduction board game originally published by Waddingtons in Leeds, England in 1949. It was devised by Anthony E. Pratt, a solicitor's clerk from Birmingham, England. It is now published by the United States game and toy company Hasbro, which acquired its U.S...

.

In 1979, NBC

NBC

The National Broadcasting Company is an American commercial broadcasting television network and former radio network headquartered in the GE Building in New York City's Rockefeller Center with additional major offices near Los Angeles and in Chicago...

 presented a short-lived American version of the show, hosted by Ed McMahon

Ed McMahon

Edward Peter "Ed" McMahon, Jr. was an American comedian, game show host and announcer. He is most famous for his work on television as Johnny Carson's sidekick and announcer on The Tonight Show from 1962 to 1992. He also hosted the original version of the talent show Star Search from 1983 to 1995...

 and featuring F. Lee Bailey and Melvin Belli

Melvin Belli

Melvin Mouron Belli was a prominent American lawyer known as "The King of Torts" and by detractors as 'Melvin Bellicose'. He had many celebrity clients, including Zsa Zsa Gabor, Errol Flynn, Chuck Berry, Muhammad Ali, Sirhan Sirhan, the Rolling Stones, Jim Bakker and Tammy Faye Bakker, Martha...

as panelists.