"Who Wants to Be a Millionaire?" is an episode of the BBC sitcom, Only Fools and Horses. It was the final episode of Series 5, and was first screened on 5 October 1986. This is also the last episode to be 30 minutes long with all the subsequent episodes lasting 50 minutes or more. In the episode, Del's old business partner Jumbo Mills returns to Peckham and asks Del to go into business with him in Australia.