Five new comedians, including Alice Levine, try to master wheelbarrow stunts and a lemon tower.
Sandi Toksvig looks at some objects and ornaments with Sarah Millican, Cariad Lloyd, Alice Levine and Alan Davies.
Joining Rob Brydon, Lee Mack and David Mitchell are Jay Blades, Sue Johnston, Alice Levine and Bob Mortimer.
Sandi Toksvig considers pain and punishment with Jimmy Carr, Lee Mack, Alice Levine and Alan Davies.
Sandi Toksvig embarks on the first part of her quest for knowledge with Alan Davies, Alan Carr, Alice Levine and Josh Widdicombe.
