Lotsa Luck is an American sitcom that aired during the 1973–74 television season on the NBC Friday evening schedule. The series stars Dom DeLuise as bachelor Stanley Belmont who lives with his bossy mother (Kathleen Freeman), his sister Olive (Beverly Sanders) and her unemployed husband, Arthur (Wynn Irwin). Jack Knight stars as Stanley's best friend, Bummy. Lotsa Luck is based on the British London Weekend Television series On the Buses.