8 Out of 10 Cats Does Countdown

The Rematch - Clarke Carlisle, Joe Wilkinson, David O'Doherty (1x1)

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Jimmy Carr, Sean Lock and Jon Richardson take on the famous words and numbers quiz. Jimmy Carr hosts proceedings, and Sean Lock faces Jon Richardson in a rematch of the original encounter. David O'Doherty is in Dictionary Corner along with Countdown regular Susie Dent. Meanwhile the country's favourite boffin Rachel Riley provides the letters and numbers with a little help from comedian Joe Wilkinson.