After discovering he has powers, 11-year-old Jonathan Kent and assassin-turned-Boy-Wonder Damian Wayne must join forces to rescue their fathers (Superman & Batman) and save the planet from the malevolent alien force known as Starro.
as Jonathan Kent / Superboy (voice)
as Damian Wayne / Robin (voice)
as Lois Lane (voice)
as Bruce Wayne / Batman (voice)
as Lex Luthor / Starro (voice)
as Green Arrow / Penguin / Principal (voice)
as Jor-El (voice)
as Jimmy Olsen / Melvin Masters (voice)
as Wonder Girl / Lara / Mom (voice)
as Clark Kent / Superman (voice)
