Lovebirds Ray and Ange from Bolton are desperate to lose weight and are convinced they eat healthily. Ray's infamous 'pie butty' and belly-buster breakfasts suggest otherwise.
Married couple Emma and Paul from Warrington are in the spotlight. Since being together they've piled on a massive seven stone between them, yet are still under the impression they eat healthily.
Neither David nor Denise from Eccles thinks they eat enough to warrant their size and are convinced their diet is a healthy one.
Essex sisters Lauren and Stephanie claim they eat healthily, and can't figure out how they've each put on two stone in as many years. The secret cameras tell the truth about their diets...
Hetal and Mitul submit to a course of diet surveillance. Is it the extra cheese sauce in their moussaka or the added chocolate spread in their health shakes that's stopping them from losing weight?
Good friends Daryl and Kat from Essex are desperate to lose weight, but think they eat healthily. Daryl's breakfast blowouts and Kate's serial snacking suggest otherwise.
Sister and brother Emma and Matthew from Camberley in Surrey are under the spotlight this time. Matthew is very sporty, while Emma restricts her food intake on weekdays to just a few hundred calories.
Sisters Precious and Florence, from Sidcup, are the latest pair to come under the show's spotlight with their eating habits held up for scrutiny. Why are they both putting on weight?
