The sidekicks find a clone of Superman known as Superboy. They free him from Cadmus' control, while battling Blockbuster.
Quest roles:
Nolan North(Conner Kent / Superboy (voice)), Crispin Freeman(Will Harper (voice)), Bruce Greenwood(Bruce Wayne / Batman / Markovian Citizen (voice)), Miguel Ferrer(Vandal Savage (voice)), Rene Auberjonois(Mark Desmond (voice)), Phil LaMarr(J'emm J'axx (voice)), Mark Rolston(Lex Luthor (voice)), George Eads(Barry Allen / Flash (voice))