 The group travel back to when Lister was 17 and fronting a band called "Smeg and the Heads".Lister convinces his teenaged self (Emile Charles) to take the tension sheet he brought with him down to the patent office and register it as his own invention.Upon returning to the present, Rimmer finds that history has been changed – while he and Holly (Hattie Hayridge) are the only occupants on "Red Dwarf", Lister grew up to be a success story, while Cat and his race never came to exist, and Kryten was never rescued.