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, he has also been a regular on Channel 4's "8 Out of 10 Cats Does Countdown".