Rachel Riley and Pasha Kovalev join Richard Herring and Catie Wilkins as they tackle a filthy bathroom, endure a chaotic makeover, and reveal shocking secrets—including Rachel’s shower confession—during our eye-opening lie detector test.

Comedians Sara Pascoe and Steen Raskopoulos go head-to-head with Blue singers Duncan James and Rodrigo Reis in a battle to determine who has the stronger relationship.

Vicky Pattison and fiancé Ercan Ramadan compete against Michael and Hilary Whitehall in a tense showdown, teaching non-driver Lucy to reverse park and crafting 'romantic' poems for each other.

Actress Amanda Abbington and escapologist partner Jonathan Goodwin face Pussycat Doll Kimberly Wyatt and her husband, model Max Rogers, in a relationship showdown. Kimberly and Jonathan try to charm 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. The couples enter flat-pack purgatory. And Jon gets a sensual massage.