Curse of the Fly is a 1965 American horror science-fiction film and a sequel to Return of the Fly (1959), as the third installment in The Fly film series. It was released in 1965, and unlike the other films in the series was produced in the United Kingdom. The film was directed by Don Sharp and the screenplay was written by Harry Spalding.Curse of the Fly was rarely seen for many years, as it was the only entry in the Fly film trilogy that did not receive a videotape, laserdisc or online release. It did not receive its home video premiere until 2007, when it was released in a boxed set with the original series of films.