Bruce Wayne and Dick Grayson return home from a charity ball. As they pass through Gotham Park, a felled tree blocks their way and two men accost them, seeking money. But who should come to their rescue? None other than The Penguin, pudgy purveyor of perfidy! He claims to be reformed, and making amends for past misdeeds, but Bruce and Dick are not convinced. Batman's instincts are rarely wrong, but in the days that follow The Penguin captures crooks and bandits left and right. Has the mischievous magpie gone straight? Or has he concocted some devious plan that requires the appearance of upright behavior? Batman must decide, and quickly.
The Joker commits various crimes, and when Batman and Robin pursue, they nearly catch him every time! Nearly - until some miscalculation of Robin's allows him to slip away! Batman finally goes to confront The Clown Prince of Crime alone, fearing Robin's too much of a liability - but then allows Batgirl along for backup. In a clock tower, The Joker manages to knock the pair senseless and then tie them to the clock's giant gears, which will crush them at midnight! Meanwhile, back at the Batcave, Robin discovers a tiny lead weight on one of his Batarangs, and realizes that when he saved a drowning man earlier, the fellow swapped his utiltiy belt with one gimmicked to hamper his skills! His confidence restored, the Boy Wonder races to save his mentor and friend.
The Penguin has planned a series of perfect crimes for which the Dynamic Duo will take the blame! But how can he manage this while still serving a sentence in Gotham Penitentiary? The answer involves a removable set of bars and some tricky umbrella gadgets, the malicious magpie's stock in trade. And when Commissioner Gordon discovers a Batarang laying near the theft, Batman and Robin race to escape! Have the dynamic duo turned dreadful? Or has Batman hatched a plan to uncover the real culprit?
Why is The Joker patronizing the public library? Batman and Robin would like to know, also. What could the Clown Price of Crime want with books on pirate lore? Batgirl follows him to find out and discovers that he seems to be making a movie version of the book Treasure Island on Skull Island. Then she runs afoul of his scurvy dogs – seems this is a closed set! She manages to signal for help, but Batman and Robin, too, find themselves overwhelmed by The Joker and his men! With Batgirl's help, they discover The Joker's real objective: to recover the ill-gotten proceeds of an armored car heist committed years earlier, and buried on Skull Island!
Bruce Wayne visits with his friend Commissioner Gordon, congratulating him for reaching his charity goal. But as they talk, in the reception area outside, a visitor approaches – Bruce Wayne?! Things are not always what they seem, and certainly not with this man, who leaves behind a box marked with a question symbol – the trademark of that conundrum criminal, The Riddler! But after Batman and Robin thwart his attempt to steal the charity money, and then his attempt to make off with the jeweled championship belt, he decides he needs to rid himself of the Dynamic Duo – and the scheme he plans just might wreck their careers!
The circus comes to Gotham, and everyone who loves the circus turns out for the parade. But who's in the clown car? Who else but The Joker, mountebank of menace and clown prince of crime? Why does he order his men to release all the animals? To create chaos and cover so that his ally, The Penguin, can steal a tank! Bad enough this pair has teamed up – worse that they have a tank! And worst of all when they manage to catch Batman and Robin with a smoke shell, and push them right off a cliff! As the Batmobile plummets for the canyon floor, Batman better think up a way out of this mess.
Batman and Robin respond to a bank heist, a jewelry store robbery and an art museum break-in, but in each case, the thieves left valuables instead of taking them! This is a new twist on crime even for that twisted conumdrum criminal, The Riddler? What's he up to? When Batman notices several clocks set to 9 minutes of four, and realizes what objects the thieves left, he's sure he knows where to look for them – but they left him those clues precisely to lure him to them, where they can deal with him for good! Batman escapes the flooding trap, but the electrical spider-web gets him – as far as Catwoman and the Riddler know, leaving Batman free to figure out where they'll strike next, and how to stop them.
An iceberg drifts into Gotham Harbor, and inside it is a ship full of Vikings, perfectly preserved! Professor Bostic of the Gotham Museum argues that they are likely to be alive, and are rare historical finds. But when they awaken, and begin to pillage Gotham as the Vikings did long ago, Batman tries to stop them, only to be thwarted by the Professor, who insists they come to no harm! But when Batman discovers Mr. Freeze working with the Vikings, be begins to smell a chilled rat!
It is the annual Halloween Ball, at which a rare painting is to be auctioned for charity. And speaking to Batman and Robin is... The Scarecrow?!? No... it's Commissioner Gordon, whose costume service delivered a Scarecrow costume by mistake. But it wasn't a mistake – it was part of a devious plot by the real Scarecrow to impersonate Commissioner Gordon impersonating the Scarecrow, so he can steal the painting!
At the charity ball, wealthy donors contribute via games of chance. Once such game, the wheel of fortune, offers dolls as prizes. But when the policeman doll walks over to the till, steals the money, and drops it into the net of a waiting truck, Commissioner Gordon realizes The Dollman has returned, and calls in the Masked Manhunters to track him down. The Dollman attempts a bank heist, but Batman stops him when police spot his truck. But Dollman escapes, and later, at the museum, tries for a rare stamp. Batman puts a stop to that one, too, forcing Dollman to make the Dynamic Duo his next caper! They manage to find his lair, but there he has a whole army of dolls to fight for him...
Crowds wait to welcome the visiting Maharajah of Taipur at Gotham International Airport. One set of eyes belongs to a man with sinister designs on the maharajah's crown jewels. They belong to the cool, cruel Mr. Freeze! With a bit of misdirection, he guides the maharaja's plane to meet his own black plane, and takes off with the potentate, then conceals himself with a white coat of frost! He steals the crown jewels and freezes the maharaja solid, arranging a nearly lethal ice slide into a frozen fog bank for Batman! But with a little preparation, Batman locates and confronts the frozen fiend, revives the king and returns his jewels.
It's the annual dinner of the Gotham Historical Society, eaten on antique silverware. This year's entertainment is senior Chapeau Fedora, who brings a collection of trained white rabbits – trained to steal for him! He makes off with the silver, and the police light the sky with a bat. He thwarts Batman's attempt to capture him by leaving a living roadblock of trained rabbits between them, and his odd, hat-shaped truck. The hatter has added a new facet to his obsession: Alice in Wonderland. Batman might just be able to use this to capture the villain – unless the Hatter is ready for him!
Catwoman has some games in mind – dangerous games designed to get the Dynamic Duo out of her fur for good! First she captures the Batmobile in a steel net, and when Batman escapes, she uses Catnap gas to distract the Duo and steal their ride. When they discover her lair in a film studio, they also discover that they're expected, and Catwoman has deadly games planned around the many props available in the studio. Collapsing catwalks, giant pinball machines and razor sharp propellers may spell the end of the Dynamic Duo unless they can turn Catwoman's props against her!
It is time for the Gotham Christmas Parade, which includes a float bearing the famous Batmobile, and the Dynamic Duo. Following them is a float for the star of the parade – Jolly Old Saint Nick. But the man in the red suit isn't Saint Nick at all, although he'd be right at home in the North Pole's frozen climate! In Gotham, Christmas begins with Commissioner Gordon lights the Christmas tree, which is topped with a diamond star. But Mr. Freeze has plans of his own for that ice. If Batman can't recover the start, Gotham will face a cold Christmas indeed!
Once a year, a circuit judge visits Satan's Island to hear the cases of prisoners coming up for release. This year, a dangerous criminal is due for a parole hearing, but Batman understands that the unrepentant fiend will simply commit more crimes. His evidence convinces the circuit judge not to free the criminal, but the criminal has a plan to “pardon” himself. A tricky exploding gavel and a quick change of clothes later, and the criminal has made his escape and reinvented himself as “The Judge.” Together with criminals he has gathered about himself – his “jury” - he'll bring Gotham City to its knees, unless Batman can stop him.
The Bruce Wayne Foundation is building an ultra-modern crime lab to serve law enforcement. But not everyone in Gotham is grateful. Not far away, inside the Dirdler Computer Service company, villainous plots unfold to end the crime lab, by persuading millionaire Bruce Wayne to withdraw his support. The first plan is simple: kidnap his ward Dick Grayson! When that scheme fails, he turns to sabotage, instructing his men to mix sand into the cement to weaken the finished concrete. But Batman discovers him there, too – too bad for him The Riddler brought every one of his Rowdies to this fight! Saving the crime lab will take the Dynamic Duo and Batgirl!