Operation Petticoat is a 1959 comedy film directed by Blake Edwards, and starring Cary Grant and Tony Curtis. It was the basis for a television series in 1977 starring John Astin in Grants role. The film tells in flashback form the misadventures of a fictional American submarine, the USS Sea Tiger (USS Sea Tiger), during the opening days of World War II.

Other members of the cast include several actors who went on to become television stars in the 1960s and 1970s: Gavin MacLeod of The Love Boat and McHales Navy, Marion Ross of Happy Days, and Dick Sargent of Bewitched.

Paul King, Joseph Stone, Stanley Shapiro, and Maurice Richlin were nominated for the Academy Award for Best Writing (Academy Award for Best Writing (Original Screenplay)).