Three escaped criminals from the planet Krypton, who have the same powers on Earth as Superman, test the Man of Steel's mettle. Led by General Zod, the Kryptonians take control of the White House and partner with Lex Luthor to destroy Superman and rule the world. But Superman, who made himself human in order to get closer to Lois, realizes he has a responsibility to save the planet.

Aiming to defeat the Man of Steel, wealthy executive Ross Webster hires bumbling but brilliant Gus Gorman to develop synthetic kryptonite, which yields some unexpected psychological effects. Between rekindling romance with his high school sweetheart and saving himself, Superman must contend with a powerful supercomputer.

Superman agrees to sacrifice his powers to start a relationship with Lois Lane, unaware that three Kryptonian criminals he inadvertently released are conquering Earth.

This documentary treats movie fans to a behind-the-scenes look at the making of Superman III, a more comical take on the superhero story in which the Man of Steel takes on a supercomputer and its bumbling programmer. Included are interviews with the cast and crew who share their experiences from making the film, as well as disscuss the efforts that went into it.

Documentary about the making of the sequel to Superman.

Behind the chaotic history and development of Richard Donner's cut of Superman II.