The weight-busters being trialled this time include a potato diet, a cabbage diet, something from Greggs, and the genetic and metabolic diets
Dr Xand van Tulleken and Dr Helen Lawal help road test diets including the charcoal diet, the breakfast diet, the MacDonald's diet, and the super food diet
Can a mum and daughter lose a dress size? Will a couple of mates in Stoke tune up in time for a charity football match? And a look at gastric balloon pills and frozen belly fat.
Jonno and Alfie have two weeks to slim down for a family barbecue, Sonal and Surekha go on six-week dieting plans, and Xand finds out which alcoholic drink is worst for calories
In this one-off special ordinary Brits trial popular diets looking to shape up for a wedding, a pool party and a beach holiday. Also, can you sleep your way to weight loss?