1. Episode One

First broadcast: Friday 9^th January 2015

Sean Lock and David Mitchell go up against Jon Richardson and Katherine Ryan. David O'Doherty joins Susie Dent in Dictionary Corner, while Joe Wilkinson 'assists' Rachel Riley.

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2. Episode Two

First broadcast: Friday 16^th January 2015

Jimmy, Sean and Jon are joined by Jack Whitehall and Roisin Conaty, while Rob Beckett joins Susie Dent in Dictionary Corner and Joe Wilkinson 'helps' Rachel Riley.

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3. Episode Three

First broadcast: Friday 23^rd January 2015

Reginald D. Hunter and Aisling Bea join team captains Sean Lock and Jon Richardson, while Holly Walsh joins Susie Dent in Dictionary Corner, and Joe Wilkinson 'assists' Rachel Riley.

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4. Episode Four

First broadcast: Friday 30^th January 2015

Jon Richardson and Johnny Vegas take on Sean Lock and Romesh Ranganathan. Josie Long joins resident lexicographer Susie Dent.

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5. Episode Five

First broadcast: Friday 6^th February 2015

Jon Richardson and Bob Mortimer take on Sean Lock and Vic Reeves. Jack Whitehall joins Susie Dent in Dictionary Corner, while Joe Wilkinson 'helps' Rachel Riley.

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6. Episode Six

First broadcast: Friday 13^th February 2015

Sean Lock and Jason Manford go up against guest captain Sarah Millican, and Jonathan Ross. Bill Bailey joins Susie Dent while Rachel Riley looks after the letters and the numbers.

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