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Riches has appeared in Dictionary Corner on "8 Out of 10 Cats Does Countdown" on four occasions, in October 2016, June 2017, September 2019 and August 2020. For his appearances he was entirely in character as an exaggerated comic parody of the actor Sean Bean. He was introduced as "Sean Bean" by the announcer at the beginning of each episode, and addressed as "Sean" by presenter Jimmy Carr throughout.