Bob Kane

Batman has been kidnapped by the Riddler! The crook has left behind one of his infamous riddles, addressed to Robin. If Robin can solve the puzzle, he will locate the Caped Crusader, but that first riddle leads to another. Then the Riddler turns off all the lights in Gotham City. What, Robin wonders, is the point? When will the riddles end? If the Boy Wonder cannot find his partner by the next sunrise, Batman will be gone forever.

When an Amateur Detective Convention gets overrun by zombies, Batman and Batgirl team up with the Mystery Inc. gang to get to the bottom of the oddball apocalypse.

When a wicked werecat plagues a big cat park on the outskirts of Gotham City, Mystery Inc. joins forces with Batman to crack the case, but little do they know, more than one crafty kitten is at play in the preserve.

Superman and his crime-fighting cousin, Superwoman, discover that the Joker toxin is being used, causing odd behavior in Gotham City.

When the whale-watching cruise they are on sails into an area which is supposedly cursed, and is immediately attacked by a group of apparently aquatic monsters, the Mystery Inc. crew set out to find the villain behind the attack, with some timely help from Batman and Robin.

"As a pro wrestler, Killer Croc bullied his opponents inside the ring. As a cutthroat criminal, this ferocious freak forces his competition out of town. Next on his hoodlum hit list is Kite Man, but the second-rate super-villain isn't leaving Gotham without a fight. He's partnering with Batman, the world's greatest detective, to wrangle up the reptilian rogue and take him down for the count"--

"When the Penguin and his gang steal a rare blue tiger cub from the Gotham City Zoo it is up to Batgirl and Misty, her crime-fighting Super-Pet to catch the thieves and return the tiger." --

Supervillain Clayface tries to stage a comeback as a movie star, but when Batman and his sidekick, Batwing, link him to a series of bank robberies, it is time for action.

Harley Quinn and Poison Ivy escape from Arkham Asylum and head back to Ivy's hideout; however, Harley proves to be a demanding roommate, so Ivy helps her take over a carnival and even grows her plant versions of Batman and Robin to boss around--but when Poison Ivy feels she has done enough and withdraws from the field, Harley discovers that being a criminal boss is a lot more difficult than she imagined.