A new group of comedians, including James Acaster, performs meaningless tasks.
Rhod Gilbert puts Alex Horne's life in danger. Jessica Knappett's sunny view is tested.
Greg Davies gives the five comedians more difficult tasks. What gets Alex Horne's pulse racing?
Phil Wang makes beasts gripping. James Acaster walks in circles.
Jessica Knappett wonders how much water weighs. Rhod Gilbert smears mustard in his eyes.