Greg Davies and Alex Horne host as Frank Skinner takes a boulder onto a train for a pleasant excursion. Then, he and the other comedians try to make a Swedish man blush.

Greg Davies returns as the Taskmaster as five new comedic competitors tackle a raft of tricky tasks with today’s episode including a potato-throwing moment set to make television and sporting history.

Greg Davies sets bewilderingly brilliant tasks - involving vegetable propulsion, snowmen and Swedes - to five celebs, including Al Murray and Dave Gorman.

What will Mel Giedroyc do to a pommel horse? And why are Alex Horne and Noel Fielding dancing like shrews?

Greg Davies delivers more rough justice as Ardal O'Hanlon sings about leaning on a fence, Judi Love designs some classy headgear, Bridget Christie uses her phone, and Sophie Duker displays genuinely world-class levels of endurance and fortitude.