8 Out of 10 Cats Does Countdown as part of its 30th anniversary celebrations. Amongst the programmes that were chosen to be merged for the evening of specials, production teams on "Countdown" and "8 Out of 10 Cats" agreed to merge the two formats of their respective programmes together - the crossover between the two formats meant that "Countdown"s arrangement of games would be interspersed with "8 Out of 10 Cats"-style banter. As part of the merger, both Rachel Riley and Susie Dent assumed their roles from the programme, while Jimmy Carr took on the mantle of host, with both Sean Lock and Jon Richardson competing as
Panel show of the quiz show format, "Information Please" added the key element of a panel of celebrities, largely writers and intellectuals, but also actors and politicians. Listeners would mail in questions, winning prizes for stumping the panel. U.S. panel shows transferred to television early in the medium's history, with the first known example being "Play the Game", a charades show that aired on DuMont and ABC beginning in 1946. The celebrity charades concept has been replicated numerous times since then. The most popular adaptation was "Pantomime Quiz", airing from 1947 to 1959, and having runs on each of the four television