Season 7 / Episode 0
Johnny Vegas joins Sean as they take on Jon and Katherine Ryan, while David O'Doherty joins Countdown's resident lexicographer Susie Dent in Dictionary Corner, plus the queen of maths Rachel Riley presides over the numbers board.
Genre - Comedy/Game show/Holiday
Running Time - 1h
Country - GBR
Language - en-GB
Original Air Date - Tuesday 8th December 2015
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