Batman investigates seismic activity and pays a visit to Aquaman, who is unaware that his brother Orm is conspiring with Black Manta to conquer Atlantis.

The Music Meister uses his ability to control minds in an effort to take over the world.

Searching the Amazon jungle for the missing Ray Palmer, the scientist who was at one time The Atom, Batman disappears. Now Aquaman recruits the new Atom, Ryan Choi, to help shrink him down to microscopic size...

After a team up with Space Ghost and his companions, Batman must come to the aid of three of his fellow superheroes who have fallen into the icy clutches of Mr. Freeze.