'Toon star Roger is worried that his wife Jessica is playing pattycake with someone else, so the studio hires detective Eddie Valiant to snoop on her. But the stakes are quickly raised when Marvin Acme is found dead and Roger is the prime suspect.
Jim MacLaine is now enjoying the nomadic 'gigs and groupies' life on tour with his band. When he achieves all his wildest dreams of international stardom, the sweet taste of success begins to turn sour.
Three escaped criminals from the planet Krypton 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 attempts to make himself human in order to get closer to Lois, realizes he has a responsibility to save the planet.
Princess Leia is captured and held hostage by the evil Imperial forces in their effort to take over the galactic Empire. Venturesome Luke Skywalker and dashing captain Han Solo team together with the loveable robot duo R2-D2 and C-3PO to rescue the beautiful princess and restore peace and justice in the Empire.