It's Only Money - S8.E6

Bobby keeps spending money on gadgets and expensive toys. He has the piano converted so it plays itself, and buys scuba diving gear. He then buys a motorbike and all the gear. Bobby is a terrible driver, and swerves through a motorcycle gang while out driving. They meet Bobby and Tommy later, and get talking. Eventually Bobby invites them back to his house and tells them they can spend the night. They steal all his gadgets overnight.