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
Jon Richardson (comedian) at the Melbourne Comedy Festival. Starting with the 11th series of Channel 4's panel show "8 Out of 10 Cats", Richardson took over from Jason Manford as a team captain. Filming for the series began in June 2011. "It's Not Me, It's You!", Richardson's first book, was published during the same month. Later in 2011, he became a regular comic on the Channel 4 show "Stand Up for the Week", which was hosted by Kevin Bridges during its second series. Upon Bridges's departure, Richardson took over as host, a role he left after series 4 in 2012. Since January 2012,