Batman and Superman team up to deal with an alien invasion, and a telepathic message leads the duo to a military base housing future ally J'onn J'onzz.
Did You Know?
J. Allen Carter, one of the astronauts on Mars from the premier episode "Secret Origins" is named after John Carter, Warlord of Mars from several classic science fiction novels by Edgar Rice Burroughs
. It could also be viewed as homage to the names Jay Garrick, Alan Scott, & Carter Hall (the "Golden Age" versions of the Flash, Green Lantern & Hawkman, respectively). See more
[first seeing J'onn J'onzz
What is it?
Mankind's only hope.
Justice League Theme
Written by Lolita Ritmanis See more