Josh Widdicombe and James Acaster pose absurd theoretical situations to Tom Allen, Rob Beckett, Jessica Knappett and Liza Tarbuck who are then scored on how well they deal with them.

Josh Widdicombe and James Acaster are joined by Judi Love, Chris McCausland, Alan Davies and Liza Tarbuck.

Josh Widdicombe and James Acaster welcome more celebrities to the realm of the (im)possible - their guests this time are Liza Tarbuck, Judi Love, Josh Pugh and Amy Gledhill.