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 A Clue" are parodies. Some panel shows are variations of classic parlor games. "Twenty Questions" is based on the parlor game of the same name, "Give Us a Clue" is modeled after Charades, and "Call My Bluff" and "Balderdash" are based on Fictionary. Frequently, a panel show features recurring panelists or permanent team captains, and some panelists appear on multiple panel shows. Most shows are recorded before a studio audience. The first known example of a panel show in the world is the radio program "Information Please", which debuted on 17 May 1938 on the NBC Blue Network. An evolution