Documentary exposing some of the rip-offs that are costing British consumers. As a devastated autograph collector discovers the treasured signatures he had bought are fake, Star Wars actor Mark Hamill reveals how he is taking on the fraudsters making big money from conning fans. Also in this episode, the false promises made for a new heating system it is claimed will slash your bills. But could it also suddenly go up in smoke? Plus, the experts at the Rip Off Britain pop-up shop have advice for pet owners - and anyone who needs to change their email address. Presented by Angela Rippon, Gloria Hunniford, and Julia Somerville.