"Bob & Carol & Ted & Alice" is a 1969 film directed by Paul Mazursky. The movie explores the complexities of modern relationships and sexual openness among two couples, Bob and Carol, and Ted and Alice. It is known for its comedic yet thought-provoking take on love, fidelity, and friendship. The film features a notable cast, including Natalie Wood, Elliott Gould, Dyan Cannon, and Robert Culp. It was one of the first mainstream films to address themes of sexual liberation and the changing dynamics of marriage during the late 1960s, reflecting the cultural shifts of the era.