Series 22 Episodes
1. Roisin Conaty, Kiri Pritchard-McLean, Jon Richardson, Rob Beckett
Jimmy Carr hosts as Roisin Conaty and Kiri Pritchard-McLean take on Jon Richardson and Rob Beckett. Comedian Huge Davies is in Dictionary Corner. Regular Countdown mathematician Rachel Riley and lexicographer Susie Dent are on hand to adjudicate
2. Jack Dee, Tom Allen, Jon Richardson, Judi Love
Jimmy Carr hosts with Countdown regulars Rachel Riley and Susie Dent as Jack Dee and Tom Allen take on Jon Richardson and Judi Love. Dr John Cooper Clarke is in Dictionary Corner.
3. Roisin Conaty, Asim Chaudhry, Jon Richardson, Josh Widdicombe
Jimmy Carr hosts, as Roisin Conaty and Asim Chaudhry take on Jon Richardson and Josh Widdicombe. Bill Bailey is in Dictionary Corner. Regular Countdown mathematician Rachel Riley and lexicographer Susie Dent are on hand to adjudicate
4. Lee Mack, Joe Wilkinson, Jon Richardson, Jessica Knappett
Jimmy Carr hosts as Lee Mack and Joe Wilkinson take on Jon Richardson and Jessica Knappett. Comedian Nigel Ng is in Dictionary Corner. Regular Countdown mathematician Rachel Riley and lexicographer Susie Dent are on hand to adjudicate
5. Sarah Millican, Nish Kumar, Jon Richardson, Maisie Adam
Jimmy Carr hosts with Countdown regulars Rachel Riley and Susie Dent as Sarah Millican and Nish Kumar take on Jon Richardson and Maisie Adam. David O'Doherty joins Susie Dent in Dictionary Corner.
6. Sean Lock, Harry Hill, Jon Richardson, Rosie Jones
Jimmy Carr hosts with `Countdown' regulars Rachel Riley and Susie Dent as Sean Lock and Harry Hill take on Jon Richardson and Rosie Jones. Mr Swallow, aka Nick Mohammed, is in Dictionary Corner.
