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.

Rhod, along with panel regulars Greg Davies and Rhod's flatmate Lloyd Langford are joined in their quest by celebrity guests Kaye Adams, Katy Brand, and Erin Boag.

Rhod Gilbert is joined by David Hasselhoff, Kimberly Wyatt and Phil Jupitus, along with regular panellists Greg Davies and Lloyd Langford, in his comedic search for answers to some more of the world's most intriguing questions.

Rhod Gilbert is joined by regular panellists Greg Davies and Lloyd Langford, along with guests Deborah Meaden from Dragons' Den, Craig Revel Horwood and Shappi Khorsandi in the comedic search for answers to some more of the world's most intriguing questions.

Former deputy prime minister John Prescott, comedian Russell Kane and Radio One's Edith Bowman join Rhod Gilbert, Greg Davies and Lloyd Langford in the comedic search for answers to some more of the world's most intriguing questions.

Fern Britton, Adam Hills and Katy Brand join Rhod Gilbert, Greg Davies and Lloyd Langford in the comedic search for answers to some more of the world's most intriguing questions.

Angela Rippon, Amanda Byram and Sarah Millican join Rhod Gilbert, Greg Davies and Lloyd Langford in the comedic search for answers to some more of the world's most intriguing questions.

Nick Hewer, Jenny Eclair and Christian O'Connell join Rhod Gilbert, Greg Davies and Lloyd Langford in the search for answers to some of the world's most intriguing questions.

Germaine Greer, Larry Lamb and Andi Osho join Rhod Gilbert, Greg Davies and Lloyd Langford in the comedic search for answers to some more of the world's most intriguing questions.

Janet Street-Porter, Laurence Llewelyn-Bowen and Andrew Lawrence join Rhod Gilbert, Greg Davies and Lloyd Langford in the comedic search for answers to some more of the world's most intriguing questions.