Countdown's Rachel Riley and pro dancer Pasha Kovalev take on comedians Richard Herring and Catie Wilkins in a series of frustrating challenges, including a nightmare makeover and a dirty bathroom.
Comedians Sara Pascoe and Steen Raskopoulos take on Blue singer Duncan James and his partner Rodrigo Reis, who get uncomfortably close with some couples' yoga.
Reality TV stars Vicky Pattison and Ercan Ramadan are pitted against Michael and Hilary Whitehall in a raft of relationship-testing challenges, including a driving lesson and a 'romantic' poem task.
Actor Amanda Abbington and her partner Jonathan Goodwin, and Pussycat Doll Kimberly Wyatt and her husband Max Rogers have their romantic prowess tested as they attempt to woo Jon and Lucy.
Can Ore Oduba and his wife Portia and comedian couple Harriet Kemsley and Bobby Mair pack a car without having an argument? Don't count on it...
Jamie Laing and Sophie Habboo take on Marcus Brigstocke and Rachel Parris, with the couples finding themselves in flat-pack purgatory. And Jon gets a sensual massage.
