Episode 1
Mongul forces heroes (Batman, Green Arrow, Guy Gardner, Huntress, Plastic Man and Woozy Winks) and villains (Black Manta, Catwoman, Gentleman Ghost, Joker, and Steppenwolf) alike to race for Earth's survival.
Episode 2
Batman and Plastic Man team up to save some scouts. Later, the two have must deal with Rubberneck and Kite Man who are targeting Plastic Man's family in a scheme for revenge.
Episode 3
The Challengers of the Unknown go to the island and are exposed to Starro. Later, Blue Beetle runs into trouble on Oa when the Green Lantern Corp try to arrest him for possessing the scarab.
Episode 4
Batman and Enemy Ace stop aliens interfering in the past. Later, Aquaman takes his family on vacation and must resist his desire to fight crime.
Episode 5
Batman and Detective Chimp work together to foil Falseface. Later, Batman and the Justice Society of America face off with Per Degaton.
Episode 6
Robin, Speedy, and Aqualad team up to earn respect and stop Ra's Al Ghul from attacking the world.
Episode 7
Aquaman falls to Starro. Meanwhile, Batman teams up with the Metal Men to defeat Chemo and, then, to save Doc Magnus from a team of powerful living gases.
Episode 8
The Riddler torments Booster Gold and Batman. Later, Batman bears witness to the creation of Firestorm. Unfortunately, in the explosion, Batman is divided into three different aspects of himself.
Episode 9
Batman discovers his doppelganger on a distant planet.
Episode 10
When Captain Marvel's enemies Black Adam and Dr Sivana team up, Marvel enlists Batman to aid him.
Episode 11
Batman and Zatanna make short work of Abra Kadabra. Later, Batman must choose between justice and vengeance when he confronts Joe Chill the man who murdered his parents.
Episode 12
Gorilla Grodd replaces Gotham's human population with gorillas.
Episode 13
Led by Faceless Hunter, the Starro Invasion comes on full swing. Only Batman and a handful of unlikely heroes remain uninfected to thwart the alien parasites and their mind-controlled hosts before all of Earth is sucked dry.
Episode 14
Star Conqueror may be defeated, but Faceless Hunter is not! The alien warrior manipulates B'Wana Beast, forcing him to combine thetiny starros into one massive beast he plans to use to destroy the planet! But Batman has his own back-up - the Metal Men!
Episode 15
Batman realizes that Barry Allen is not dead.
Episode 16
The Doom Patrol are pulled out of retirement to battle supervillains.
Episode 17
Booster Gold misses his late best bud, Blue Beetle, but when he travels back in time to hang with him, he throws the present into chaos.
Episode 18
Fifth-dimensional fan boy Bat-Mite inadvertently gives Joker his limitless power while hoping to witness a hero-villain showdown.
Episode 19
he long-retired Batwoman sees an opportunity for revenge against the villain who humiliated her: the Riddler.
Episode 20
Black Mask reprograms Batman's Bat-Robots to do his bidding.
Episode 21
Batman, Plastic Man and the Freedom Fighters try to stop an Earth invasion.
Episode 22
It is the story of Batman's retirement and his marriage to Catwoman. Bruce Wayne now hopes that his son Damian will follow in his footsteps, and his confidence in him will be put to the test.
Episode 23
The threat of an impending invasion from Apokolips compels Batman, Aquaman, and Martian Manhunter to form a new Justice League.
Episode 24
Bat-Mite hosts a series of Batman's most bizarre adventures including the Mad Magazine-inspired Batboy and Rubin, a Japanese-influenced Bat-Manga and a guest starring role from the Scooby Gang and Weird Al Yankovic.
Episode 25
Batman joins forces with Captain Marvel, Mary Marvel, and Captain Marvel Jr. to take on Dr. Sivana and his Monster Society of Evil. However, the villains gain the most likely of newcomers -- the wormlike Mr. Mind.
Episode 26
Batman gets amnesia and believes himself to be a gangster.
