Guz Khan

Greg Davies and Alex Horne return with rookie rivals Alan Davies, Desiree Burch, Guz Khan, Morgana Robinson, and Victoria Coren Mitchell.

Rob Brydon and team captains David Mitchell and Lee Mack are joined by celebrity guests Gloria Hunniford, Guz Khan, Christopher Eccleston and Sophie Willan.

The contestants have a mountain to climb as they must find a way to prove they can handle some teamwork; Morgana Robinson inspects suspect doggy bags; Guz Khan slaps a space hopper.

Taskmaster Greg Davies struggles to contain his scorn as Desiree Burch does something inexplicable with sand; Victoria Coren Mitchell draws an exploding cat; Alan Davies hurts himself with a rubber band.

Greg Davies attempts to make sense of Morgana Robinson sliding a pole through a sponge; Alex Horne lends his considerable acting skills to a promotional film; Victoria Coren Mitchell tries to come to terms with a swanee whistle.

As ever, #isitok paves the way for the gang to round up, examine and explain the week's most entertaining news stories via their acerbic wit, discussions and sketches; Adam, Josh and Alex are joined by Noel Fielding and Amy Gledhill.