An intruder mysteriously appears inside Mount Justice, claiming to be a tourist from the future. But who is he really? And what is his true agenda?

Robin, Aqualad, and Kid Flash break into Cadmus and find that it is being run by Genomorphs.

The sidekicks find a clone of Superman known as Superboy. They free him from Cadmus’ control, while battling Blockbuster.

After a disastrous mission with the team, Aqualad returns to Atlantis to choose between a life on the surface world or one beneath the waves with the Aquagirl of his…

Superboy returns to Project Cadmus, where he learns the top-secret genetics lab may have created another Super-clone.