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
8 Out of 10 Cats Does Countdown commemorations towards 100 years of women's suffrage. As part of the special all male members of the cast were replaced, leaving the episode to feature in all-female cast - Katherine Ryan acted as host, while Roisin Conaty, Sara Pascoe, Jessica Hynes and Lolly Adefope participated as the contestants, with an appearance by Morgana Robinson as Natalie Cassidy. Each episode lasts one hour, including advertising breaks, although the January 2012 special lasted only 30 minutes. Since the first one-third of the program is occupied in introducing the panel, and due to the comedy interspersed between and during rounds, the game does