In this series opener Josh Widdicombe is joined by Nish Kumar and historian Kate Williams, while Richard Osman is joined by Katherine Ryan and Gabby Logan.

In episode two, Josh is joined by Hugh Dennis and historian Suzannah Lipscomb and Richard is joined by Rebecca Front and Phil Wang.

In episode three, Josh is joined by James Acaster and historian Kate Williams, while Richard is joined by Ed Balls and Lauren Laverne.

In episode four, Josh is joined by Ed Gamble and historian Suzannah Lipscomb, and Richard is joined by Katy Brand and the BBC's media editor Amol Rajan. Cue lots of comic banter, funny facts and unusual stats as the as the two teams vie to outdo the other.

In this special festive edition, Josh is joined by Jack Dee and historian Suzannah Lipscomb and Richard is joined by Martin Kemp and Liz Bonnin. In a twist to the usual format, different names are discussed, all with a link to Christmas. So expect fiendish facts about everyone from the baby Jesus to Noel Edmonds!

In episode six, Josh is joined by Miles Jupp and historian Kate Williams and Richard is joined by Sally Phillips and Roisin Conaty. Cue lots of comic banter, funny facts and unusual stats, as the two teams vie to outdo the other.

Josh is joined by Adrian Chiles and historian Suzannah Lipscomb, and Richard is joined by Sara Pascoe and Anita Rani.

In the final episode of the series, Josh is joined by Tom Davis and historian Kate Williams and Richard is joined by Robert Peston and Aisling Bea.

A special festive edition to kick off the second series. Sue Perkins is joined by captains Josh Widdicombe and Richard Osman. Completing the line up are Danny Baker, Sara Pascoe, Deborah Meaden and historian Kate Williams. In a twist to the usual format, different names are discussed, all with a link to Christmas. So expect fiendish facts about the Queen's Christmas speech, Delia Smith's Christmas cooking and the original Father Christmas, St Nicholas.

Host Sue Perkins and captains Richard Osman and Josh Widdicombe are joined by Danny Baker, Gabby Logan, Adil Ray and Kate Williams to compete to earn the right to decide the greatest ever bearer of the name Alex.

Host Sue Perkins and captains Richard Osman and Josh Widdicombe are joined by Stephen Mangan, Mel Giedroyc, Nish Kumar and Suzannah Lipscomb to compete to earn the right to decide the greatest ever bearer of the name Mary.

Host Sue Perkins and captains Richard Osman and Josh Widdicombe are joined by wildlife expert Chris Packham, actor Paul Feig, comedian Jon Richardson and historian Kate Williams to compete to earn the right to decide the greatest ever bearer of the name Ben.

Host Sue Perkins and captains Richard Osman and Josh Widdicombe are joined by Rob Beckett, Stephanie McGovern, James Acaster and Suzannah Lipscomb to compete to earn the right to decide the greatest ever bearer of the name Charlie.

Host Sue Perkins and captains Richard Osman and Josh Widdicombe are joined by Lucy Porter, Chris Addison, Al Porter and Kate Williams to compete to earn the right to decide the greatest ever bearer of the name Steve.

Sue, Richard, and Josh are joined by Stephen Mangan, Kate Williams, Roisin Conaty, and Rob Beckett to talk about people named Frank, Frances, or Fanny.

Hugh Dennis, Lucy Porter, Omid Djalili and Alice Roberts are the guests in this second episode, which talks about people named Will, Bill, and Billy.

Absolutely Fabulous creator Jennifer Saunders, comedian Romesh Ranganathan, W1A star Jessica Hynes and historian Suzannah Lipscomb join team captains Richard Osman and Josh Widdicombe to answer questions about famous people who share a name, with the winners earning the right to pick the greatest bearer of the moniker. Sue Perkins hosts.

Guests Danny Baker, Aisling Bea, Robert Webb and Kate Williams join Sue, Josh and Richard.

Joining the teams are Ruth Goodman, Adil Ray, Jon Richardson and Holly Walsh.

The guests are Paul Hollywood, Joe Lycett, Sara Pascoe and Kate Williams.