Only Fools and Horses by Coca-Cola, was in fact just purified tap water from Sidcup, mocking parallels were made with the "Only Fools and Horses" episode, "Mother Nature's Son", in which Del sells tap water as "Peckham Spring". In the closing ceremony of the 2012 London Olympics, the Trotters' yellow Reliant van appeared on stage, along with two characters dressed as Batman and Robin, a reference to the "Only Fools and Horses" episode "Heroes and Villains". Rose Tyler's Father Pete Tyler is referred to as "a bit of a Del Boy" in the "Doctor Who" episode "Father's Day". "Only Fools and Horses" was sold
Only Fools and Horses genuine, though very obscure, saying, "only fools and horses work for a living", which had its origins in 19th-century American vaudeville. "Only Fools and Horses" had also been the title of an episode of "Citizen Smith", and Sullivan liked the expression and thought it was suited to the new sitcom. He also thought longer titles would attract attention. He was first overruled on the grounds that the audience would not understand the title, but he eventually got his way. Filming of the first series began in May 1981, and the first episode, "Big Brother", was transmitted on BBC One at