Uptown Saturday Night is a 1974 comedy film written by Richard Wesley, and directed by Sidney Poitier. Poitier also stars in this film, along with Bill Cosby and Harry Belafonte. Cosby and Poitier teamed up again for Let's Do It Again (1975) and A Piece of the Action (1977). Although their characters have different names in each film, the three films are considered to be a trilogy.
Steve Jackson (Sidney Poitier), a blue-collar worker at a steel mill, has just begun a two-weeks-long vacation. He is convinced by his friend Wardell Franklin (Bill Cosby) to go to a party that Saturday night at Madam Zenobia's, an uptown nightclub.
While the two are at the party, the club is robbed. The masked bandits force the patrons to strip to their underwear, then steal their money and jewellery, including Steve's wallet.
The following day, Steve is at home and reading his newspaper when he learns he has won the lottery. However, he realizes that the lottery ticket was in the wallet that was stolen...