S4 E1: Fern Britton, Richard E. Grant, Sanjeev Bhaskar, Martin Clunes

S4 E2: Ruth Jones, Jason Manford, Jack Dee, Peter Serafinowicz

S4 E3: Keeley Hawes, Stephen Mangan, Kevin Bridges, Brian Cox

S4 E4: Craig Revel-Horwood, Ben Fogle, Kate Silverton, Hugh Dennis

S4 E5: Ronnie Corbett, Sarah Millican, Julian Clary, Holly Walsh

S4 E6: Hugh Fearnley-Whittingstall, Rufus Hound, Miranda Hart, Rhod Gilbert

S4 E7: Patrick Kielty, Bernard Cribbins, Deborah Meaden, Mark Watson

S4 E8: John Bishop, Joanna Page, Patsy Palmer, Chris Addison

S4 E9: The Unseen Bits (Series 4)