This sound is from Only Fools And Horses Soundboard

"Time on Our Hands" holds the record for the highest UK audience for a sitcom episode, attracting 24.3 million viewers. A musical adaptation of the show, written by John Sullivan's son Jim Sullivan and Paul Whitehouse, was launched in February 2019.
See also: List of Only Fools and Horses episodes, Trigger (Only Fools and Horses), Grandad (Only Fools and Horses), Only Fools and Horses The Musical, Mike Fisher (Only Fools and Horses), and List of Only Fools and Horses characters.