“Knock Knock, Who’s there? Wipeout.” – “Want to know the Wipeout recipe? Take 24 contestants, 10,000 gallons of mud, four Moving Big Balls and shake briskly. Serves: Everyone!,” said host John Henson.

Richard Hammond presents the game show where crashes, smashes and hilarious mud splashes are on the cards as 20 contestants take on one of television's largest and most extreme obstacle courses. They ...