8 Out of 10 Cats Does Countdown - Season 26 Episode 4 Katherine Ryan, Richard Ayoade, Laura Smyth, Mat Ewins
Jimmy Carr hosts as Jon Richardson and Katherine Ryan take on Richard Ayoade and Laura Smyth. Mat Ewins joins Susie Dent in Dictionary Corner.
- Genre: Comedy, Reality, Talk
- Studio: Channel 4
- Keyword: letter, game show, mathematics, celebrity, puzzle, spoof, numbers, panel show, mash up, celebrity panel, celebrity game
- Cast: Jimmy Carr, Jon Richardson, Rachel Riley, Susie Dent, Robert Deaton
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