Five new comedians, including Alice Levine, try to master wheelbarrow stunts and a lemon tower.
Sandi Toksvig considers pain and punishment with Jimmy Carr, Lee Mack, Alice Levine and Alan Davies.
Today's tasks include darts, eggs, and a wind-up man on a unicycle.
Joining Rob Brydon, Lee Mack and David Mitchell are Jay Blades, Sue Johnston, Alice Levine and Bob Mortimer.
Sandi Toksvig looks at some objects and ornaments with Sarah Millican, Cariad Lloyd, Alice Levine and Alan Davies.