A patchwork film that somehow still works great as a piece of entertainment, despite the switch in directors from Richard Donner to Richard Lester a great deal of the way through.  Three power-hungry Kryptonians travel to Earth to dominate it, and the only one who can match them is Superman.  Alas, he's nowhere to be found, and has even sacrificed his powers in order to be with Lois Lane.  More emphasis on humor and action than the first time out has some proclaiming that SUPERMAN II is better than the first.  I debate my own feelings on which is better on this episode.  Christopher Reeve, Margot Kidder and Gene Hackman star, along with Terence Stamp as Zod.