Scooby and the gang are transported to Apokolips, by accident, and they must find out why Super-Man, the nboel, hero has gone insane and aggressive and hostile. Velma discovers it is the result of Red Kryptonite. Can the team cure Super-Man nd capture the culprit before time runs out?
- Scooby-Doo (Frank Welker)
- Shaggy Rogers (Matthew Lillard)
- Fred Jones (Frank Welker)
- Daphne Blake (Grey DeLisle)
- Velma Dinkley (Mindy Cohn)
- Superman (Tim Daly)
- Lois Lane (Dana Delany)
- Jimmy Olsen (David Kaufman)
- Perry White (George Dzundza)
- Lex Luthor (Clancy Brown) - reason: because of his Storage of Kryptonite.
- G. Gordon Godfrey (Enrico Colantoni) - reason: to make a buck, and to win sponsers.
- Steve Lombard (Avery Brooks) - reason: because of a Portrat of Lois.
- Lex Luthor (Clancy Brown) - reason: to get revenge on Superman by turnign him to a monster!, Gets bitten by Scooby near the end for what he did..
- Darkseid (Michael Ironside) - appears as the main antagonist, he wants to control the Earth's core, and gain the power.
- Kalibak (Michael Dorn)
- Granny Goodness (Pat Carrol) - replacing Ed Asner
- Shaggy: Zoinks!
- Fred; Somethign odd is going on. Super-Man's usally far from this aggressive.
Daphne: I agree. And his eyes looked... od. As if he was ... under a spell.
- Velma; Red Kryptonite. It's which is amkign im go nuts.
Shaggy: so this was why he went hostile. But how did it get on him.
- Darkseid: The time draws near. Soon this world shall perish. And I shall gain the power. So says Darkseid.
- Daphne: I knew it was you, Luthor. You fraud. it;s alwys the one who points the figner.
louis: You fraud. You tried to frame Super-Man. because of you, Darksei nearly destroyed Earth.
(sooby bite Luthor)
Scooby: Rat ras ror Ruperman!
- Luthor: I almost got awy with it. But then you meddlig kids ruiend it. Espcially that dog. You lot made a powful eney. I shall get my revenge on you all.