Superman visits Batman & Robin after Batman rescues Robin from the clutches of the Joker. While that happens the Legion of Doom takes inventory of the treasury.
Batman and Superman get trapped by the Joker in the Hall of Justice's new Holographic Training Facility.
The Flash gets into a sticky situation looking for Batman and Superman.
The Green Lantern and Mr. Freeze go head-to-head.
The Super Friends are trapped in video games.
The Super Friends are summoned to take care of Joker's crime, little does Superman know, it's a trap.
The Super Friends are bailed out by the new-comers. What no one realizes is Lex Luthor has a hulking behemoth of his own.
Lex Luthor introduces a new teleportation device and the Joker uses it for his own personal pleasures.
Superman invites Bizarro to the Super Friends but Bizarro is too loyal to the Legion.
Superman brawls with Bizarro Superman while the Legion dukes it out with the Super Friends.
The robots of the Legion & Super friends have a final kerfuffle and the Joker puts the new guns to use.
Hawkman and Aquaman are the only two Super Friends left to take on the Penguin and Solomon Grundy. The Joker & Lex Luthor have their own debacle.
Cyborg joins the Justice League and meets the team. Joker's failed attempt at bank robbery requires his team to make a Kryptonite sale.
Batman and Robin chase down The Joker, The Riddler and Two-Face after a bank robbery. Will the villains get away with their loot? Or will the Caped Crusader foil their evil plan? Keep an eye out for a flying visit from The Penguin!
The Joker and Lex Luthor get stuck together. The Super Friends save the day and Batman joins the Super Friends.
Cyborg and Robin swoop in to save the day. The rest of the team is being held in captivity by the Legion.
Batman & Robin get trapped in the Joker's Laff Factory. Batman has to rescue the Boy Wonder from the Joker.
The Green Lantern and Poison Ivy fight to prove which green is the proper shade. The Flash encounters Captain Cold and Bane.
Lex Luthor introduces the Joker to his new additions to the gang and the Legion of Doom is created.
Janet wraps it all up. What did you learn about microgravity?