This episode's highlights include Olly Murs pranking Caroline Flack with a terrifying driverless car journey.

This episode's highlights include Olly Murs pranking Caroline Flack with a terrifying driverless car journey. Elsewhere, Ant & Dec wind up tabloid chat show host Jeremy Kyle with possibly the oddest guest he has ever met, and Paul O'Grady gets one over on McFly with the help of their mums.

Good Morning Britain resident showbiz reporter and joker Richard Arnold recalls being tricked into thinking £150,000 worth of damage had been done live on air. Plus, there are elaborate big-scale practical jokes, with Stephen Mulhern helping rugby star Matt Dawson wind up fellow player Austin Healey, and magician Ben Hanlin remembers when he trapped and tricked Rylan Clark-Neal into taking a lift journey he will never forget.

Celebrity commentators include Richard Arnold, singer Amelia Lily, EastEnders star Ricky Norwood, comedian Pauline Eyre, rugby player Matt Dawson and television personality Nicholas Parsons, who recalls being on the receiving end of a 'Gotcha'.