In tonight's opening episode, Bob Mortimer's Train Guy comes to life in an animation, Michael Spicer takes on Priti Patel in the viral sensation Room Next Door, and married comedians Rachel Parris and Marcus Brigstocke perform a sensational lip sync battle.

Tim Key performs his isolation poetry, Morgana Robinson showcases her impersonation of Cheryl Cole and Charlie Higson brings The Fast Show's Swiss Toni back to life. Plus, Bob Mortimer shows what it is possible to create from a slab of butter, a tin of sardines and an orange.