Keith Lemon, Holly Willoughby and Fearne Cotton embark on an end-of-series cruise, but when the captain - Towie's Arg - sails the ship straight into a Bermuda Triangle-style vortex, they end up stranded on a desert island. That's when they start reminiscing about series 13 and 14 of the near-the-knuckle game show (thetvdb.com)