Schoolmasterly Greg Davies sets five fellow comedians - including Tim Key and Frank Skinner - devious tasks in this offbeat challenge show. First up: melon-eating!

Comedians get competitive as devious Greg Davies sets them some absurd challenges. Identifying pie contents and making a film backwards are on the agenda here.

Celebrities leave their dignity at the door as dastardly Mr Gilbert - aka Greg Davies - sets them some truly bizarre tasks, including building an egg tower.

Greg Davies lays down tricky tasks to a gaggle of comedians. Josh Widdicombe and Frank Skinner are two of the poor souls who have to fill an eggcup with tears.

Pro-celebrity suffering in Greg Davies' comedy challenge series. Frank Skinner takes a boulder onto a train, and can the comedians make a Swede blush?

Roisin Conaty and Frank Skinner are among the comedians at the mercy of Greg Davies, who sets them some batty challenges - including playing golf with eggs.