From Richard and Judy to the hallowed Blue Peter, we present the Top 10 TV fakes.

To viewers of his Channel 4 TV series Born Survivor, Bear Grylls is the daredevil adventurer who catapults himself into world's worst hellholes, wrestling bears and tearing raw fish apart with his teeth. But it was recently alleged that far from roughing it, the former SAS man actually spent his evenings in a cosy hotel with room service and internet access tackling nothing more troublesome than bath water at slightly the wrong temperature.