Joker (recurring guest star voice MARK HAMILL) steals a statue made of solid Kryptonite and makes a deal with Luthor to kill Superman. But Joker's plan is jeopardized when Batman (recurring guest star voice KEVIN CONROY) arrives to warn Superman that his life is in danger.
Joker (recurring guest star voice MARK HAMILL) kidnaps Lois in order to lure Superman to his death. Batman's (recurring guest star voice KEVIN CONROY) intervention saves the day and, soon after, Lois tells a heartbroken Clark that she will be transferring to Gotham City in order to be with Bruce Wayne. The move is postponed when Joker unleashes killer robots to attack Batman while Superman rescues a sinking ocean liner.
Steppenwolf (guest star voice SHERMAN HOWARD), a hunter from Apokolips, joins Darkseid (recurring guest star voice MICHAEL IRONSIDE) in his battle to take over Earth, which results in the death of Dan Turpin (recurring guest star voice JOSEPH BOLOGNA).