Robin, Kid Flash, and Aqualad are captured and only Superboy, the telepathically controlled clone of Superman, can free them. As they struggle to reach the surface, they must do battle with the transformed scientist known as Blockbuster.
Did You Know?
[Looking at Superboy
Is that what I think it is?
He doesn't like being called an "it."
I'm Superman's clone!
Young Justice Theme
Written by Kristopher Carter, Michael McCuistion, and Lolita Ritmanis
Performed by Kristopher Carter, Michael McCuistion, and Lolita Ritmanis See more