When the Joker escapes from Arkham Asylum, he tricks Batman into following him to an old warehouse that has been converted into a fun house, where the Caped Crusader must evade clown robots and deadly rides to defeat his enemy.
Robin discovers something hidden beneath the Arctic glaciers while doing research for a school project, and with Batman's help, he finds out that R?'s al Gh?l is the cause of global warming and that only the Dynamic Duo can prevent a disaster.
Batman and his crime-fighting partner, Robin, work together to put the evil Hugo Strange--who is turning Gotham's citizens into monsters--out of business.
Barbara Gordon and Tim Drake are attending a Halloween costume party at Graves Mansion dressed as their secret identities (Batgirl and Robin) when Catwoman strikes, stealing the priceless Black Cat Diamond--but with so many guests dressed up as either superheroes or supervillains the two young crime fighters will have to separate the real villain from her many imitators if they hope to retrieve the valuable prize.
When Bruce Wayne catches up with the man who murdered his parents many years earlier, he chases the crook on his own while relating the story of how he became Batman.
