Greg slaps Alex because of peas. Lucy Beaumont marvels at a canned blindfold. And everyone tries to put a big duck in a lake.

Julian Clary finds a former Taskmaster champion hiding behind a door, Susan Wokoma does something unexpected with mice and fish, and Sue Perkins demonstrates her love of portcullises.

Poor Alex Horne gets insulted by a panpipe-playing Sue Perkins. Meanwhile, Julian Clary destroys a table and Lucy Beaumont munches on a tree.

Assistant Alex finds himself having to choke down some vaguely cylindrical meals created by the five contestants. Greg Davies watches in awe, delight and sometimes disgust as Lucy Beaumont gets her flowers mixed up.

Sue Perkins makes an extraordinary noise, Julian Clary gets on his hands and knees, and Lucy Beaumont creeps everyone out. Sam Campbell proves adept at identifying colourful birds, and Susan Wokoma is grateful for her formal acting training.

Lucy Beaumont wonders if she should risk flicking a forbidden switch. Julian Clary wonders if he needs more than one pie. Sue Perkins wonders if a deer head is preferable to a boundary line. And Sam Campbell rips off his own head.

Excitement reaches volcanic proportions as the mystery of the secret task is finally revealed to the baffled cast of comics. And who will get to wear the Special Hat?

Julian Clary makes smart use of a fishing rod, Sue Perkins reimagines Botticelli, Sam Campbell collects some coins and Lucy Beaumont asks Alex Horne to sit on a sled.

The series reaches a thrilling climax with Sue Perkins forgetting about the milk and Julian Clary performing a gentle assault. Who will lift Greg's golden head to the heavens?