created for the series. Most games consist of a single long skit performed by the chosen performers, but some, such as "World's Worst" and "Scenes from a Hat," are played as a rapid-fire series of short skits. While all games are designed to test the performer's improvisational skill, some also test other skills, such as singing or doing impressions. Whose Line? features a number of musical games, which feature one or more of the show's resident musicians playing live backing music. Occasionally, pre-recorded music is also used. While they were good sports about it, many of the performers despised the musical games. In one episode, Stephen Fry is asked to perform a rap, and starts to do so halfheartedly, but gives up after a few words, and Ryan Stiles would frequently inject insults into the Hoedown whenever he is forced to sing it, usually pointed at the host or the Hoedown itself. Colin Mochrie would generally speak his lines instead of singing them for musical games. Some games require suggestions or topics. Depending on the game, these may be solicited directly from the studio audience during the taping, or written down by the audience and/or production staff in advance and then randomly drawn for the performers' use. The host uses a buzzer to signal the end of a game, or of individual sections in the rapid-fire games. Episodes DVD release The first release of the UK show, featuring the first two series, was released on DVD in America on 27 March 2007 by A&E Home Entertainment, and in the UK on 25 January 2008 by Channel 4. The UK edition is edited to remove references to the ad breaks. Also, British episodes were released on VHS (in the UK only) in the mid-1990s. Additionally, a play-at-home book was printed in 1989, related to the British series. Almost all of the UK versions (135 of 136 episodes) of Whose Line Is It Anyway? are available for free to those living in the UK on All 4. Legacy After the programme's cancellation by Channel 4 in 1999, Stiles introduced the programme's format to fellow comedian Drew Carey, who took great interest and subsequently pitched an American version of the same name to the ABC TV network with great success. Their pitch was to conduct the same variety of improvisational comedy-styled games as the British original, with Carey hosting the programme, and both