Overview: Shazam Slam is a 45 minute special episode which contains the storyline of the first four episodes of Justice League Action. The villainous Black Adam battles Batman on the Rock of Eternity and during their fight a horde of Djin is unleashed. Now the Justice League -- with the help of Shazam and the Wizard -- must hunt down and defeat each Djinn in order to yet again save the world from destruction.