Rhod Gilbert, along with regulars Greg Davies and Lloyd Langford are joined in their quest for answers by Jo Brand, Amanda Byram and Kate Silverton.

Regular panellists Greg Davies and Lloyd Langford are joined by Dave Gorman, Sarah Millican and guest authenticator Lorraine Kelly.

Rhod Gilbert and the regulars are joined by Micky Flanagan, Suzi Perry and Carol Vorderman.

Rhod, along with panel regulars Greg Davies and Rhod's flatmate Lloyd Langford are joined in their quest by guest comic Russell Kane, Connie Fisher and guest 'authenticator' James Martin, whose job is to grease the wheels en route to enlightenment.

Rhod, along with panel regulars Greg Davies and Rhod's flatmate Lloyd Langford are joined in their quest by David Tennant, Rita Simons, and Adam Hills.

Rhod Gilbert and the regulars are joined by guests Louise Minchin, Jack Whitehall and Arlene Phillips

Rhod, along with panel regulars Greg Davies and Rhod's flatmate Lloyd Langford are joined in their quest by guest comic Andi Osho, musician Goldie and guest Authenticator Susanna Reid, whose job is to grease the wheels en route to enlightenment.