A new group of comedians, including James Acaster, performs meaningless tasks.
Phil Wang makes beasts gripping. James Acaster walks in circles.
Greg Davies gives the five comedians more difficult tasks. What gets Alex Horne's pulse racing?
Jimmy Carr hosts as Sean Lock and Harriet Kemsley take on Jon Richardson and Chris McCausland. Nick Helm is with Susie Dent in Dictionary Corner. Joe Wilkinson joins Rachel Riley at the numbers board.
Jessica Knappett wonders how much water weighs. Rhod Gilbert smears mustard in his eyes.