High Quality Content by WIKIPEDIA articles! Whose Line Is It Anyway? (abbreviated to Whose Line? or WLIIA) is a short-form improvisational comedy TV show. Originally a British radio programme, it moved to television in 1988 as a series made for the UK`s Channel 4, for a ten-series run. Following the conclusion of the British run in 1998, ABC began airing an American version, which lasted for eight seasons.