<Tr> <Td_colspan="2"> List of episodes </Td> </Tr> <P> "It Never Rains ..." is an episode of the BBC sitcom, Only Fools and Horses . It was the sixth episode of series 2, and was first screened on 25 November 1982 . In the episode, Del, Rodney and Grandad go on holiday to Spain . All is going well until Grandad gets arrested . </P> <P> It has been endlessly raining for four days in Peckham, and the Trotters have not been able to flog any of their sun - hats . </P> <P> At The Nag's Head, Del Boy bumps into his friend Alex, a down - on - his - luck travel agent . They have a chat about how they can boost their businesses, and Del suggests that Alex offer an 80% discount on a holiday to the next customer, who just happens to be Del . </P>

Where was only fools and horses it never rains filmed