When Captain Harris bungles an operation to catch the infamous Clown Gang, he is punished by being sent back to the Police Academy to train new recruits. Our favorite grads also return to the Academy under the watchful eye of Harris, but what happens when the Clown Gang enrols as the Captain's new recruits?

To help combat a string of cat burglaries throughout the city, Commandant Lassard welcomes the latest addition to the Police Academy family, a group of police dogs known as the K-9 Corps. When the infamous Claw crashes a masquerade party and steals the Queen's crown during her royal visit, it's up to Mahoney and the gang to save the day, while trying to avoid Harris' and Proctor's attempts to shut down Lassard's pet project.

More and more officers are being scared into taking extended leave, following ghostly encounters with the crooked Phantom. Captain Harris thinks this would be a great way to rid the force of a few certain individuals, and puts Mahoney and friends on the case. But when Sweetchuck is kidnapped by the Phantom, the team follows the trail to Hearse Castle, where they have to deal with a barrage of the Phantom's magic tricks to try and save their comrade. However, the secret to catching this ghastly ghoul might just rest with Sweetchuck himself.

Captain Harris cooks up a hairbrained scheme to induct the Professor's new robots as police officers, replacing Mahoney and crew. But when Kingpin and his men abduct the Professor and force him to re-program the robots to aid his criminal activities, it's up to our heroes to make things right once again.

When the London Bridge Gang swipes the Professor's Supercar during a police parade, Lassard is forced to step down as Commandant of the Academy, making way for his replacement - Commandant Harris. The British police call our favorite Academy grads for help, as they set out in search of the Supercar, in high hopes of getting their beloved former leader reinstated.

When the opera is plagued by numerous accidents, the team is called to protect opera singer Mademoiselle Diva. Mahoney's advances are rejected, as Diva is enamored with Tackleberry instead. During a performance attended by the Police Chief, Diva is kidnapped by the Phantom of the Opera. Lassard and House try to cover, making their stage debuts in the process.

Callahan, Hooks and Zed are forced to pose as women wrestlers to combat alleged gold heist mastermind, strongwoman Phoenix Amazona; though our heroes' efforts may be jeopardized by Sweetchuck's apparent crush on the women's champion.

A wealthy entrepreneur is intent on forcing his daughter to marry his business partner. While on duty at the reception, the grads meet Mahoney's childhood friend Ben, now the hired help, whom bride-to-be Debbie has fallen in love with instead. Ben's plans to save Debbie from her arranged marriage turn nasty, when the actors originally hired for a faux kidnapping decide to carry it out for real.

Feeling stressed, overworked and underappreciated at the precinct, Hooks applies for, and lands, a new job as sheriff of an old western town. Upon arriving, she learns the town has been overrun by Seedy McLeech and his gang of assorted bandits. The Academy grads have their hands full as they saddle up to go after these crims, while trying to win Hooks back in the process.

To put an end to a curse, a museum curator seeks the help of the Academy grads to escort the mummy of an ancient Egyptian king, as it is shipped back to its rightful resting place, via a cruise liner. Our heroes also have to deal with not only a group of thugs who are trying to steal the mummy, but with the mummy itself who comes to life, causing panic on the cruise ship!

During a bank robbery, the thick-headed Numbskull is caught by the equally cranial Captain Harris. However, Numbskull escapes from jail, seeking payback on Harris for his confinement. Harris is on the evening tv news, promising to catch Numbskull again, when a note from Numbskull hints at pulling off the biggest bank heist the city has seen yet. Will Harris be able to back up his words, or will he be eating them instead?

When Harris is injured and hospitalized, Proctor becomes Acting Captain for a day, and is forced to deal with a hostage crisis. The mayor has been kidnapped by Mr Sleaze, who wants his goons released from prison. The chase leads our heroes to an amusement park, where they scurry through loads of roller coasters, dodgem cars and haunted houses, in hot pursuit of the thugs.

When Zed tracks down the infamous Highway Robbers, he discovers them to be his long lost cousins, under the guidance of his Aunt Bertha. After they beat him up for being a cop, Zed suffers amnesia, and joins his family gang. Bertha sets out plans to rob an airplane full of money. But, when Sweetchuck & the team track them down, how will Zed respond?

The PA grads have their hands full with a gang of notorious gypsies known as the Land Pirates, while also becoming victims of a string of curses set by the Pirates' fortune teller, Madame Zelda. When Mahoney gives Sweetchuck a 'magical orb' to offset the jinx, their luck seems to take a turn for the better, but is that really the case?

Assigned to night duty at Galaxy Studios, movie buff House becomes caught up in a phony film director's plot to steal a giant animatronic robot of Awesome Ape, causing chaos throughout the city as the bad guys pull a string of heists using the monster movie star.

Commandant Lassard opens a new summer camp for underprivileged inner city youths, attended by the likes of rebellious teen Bobby & friends. Mahoney and crew have a difficult time gaining the youngsters' trust, but they have to unite as a team in order to stop a group of neighborhood criminals from trying to sabotage the camp's activities.

When a massive diamond -- The Cyclops' Eye -- is brought to town for an exhibition, Harris is in charge of a security team protecting the diamond case, which can only be opened using a combination of three keys. Harris gives one to the Police Chief for safekeeping, one to Commandant Lassard, and keeps the third himself. But the Magnificent Mystopholes hypnotises Hightower under the pretense of curing his fear of dentists, while actually using him to steal the three keys to unlock the Cyclops' Eye diamond case, aiding his twisted plot of mass hypnosis.

Lt. Callahan becomes the object of affection for one Lockjaw, who is also embroiled in a bitter turf war with Mr. Sleaze after muscling in on his territory. When Sleaze captures Callahan so he can blackmail Lockjaw into handing him all of his stolen loot, it's up to our heroes to save Debbie (and the day, once again).

Along with Proctor, Harris is accidentally locked on board a space shuttle with our heroes, whom Harris has enrolled in a nine month space program. But moments after takeoff, the shuttle's controls are overridden by an unknown source. They are forced to land in the Amazon jungle, where Harris & Proctor, while looking for answers, are taken captive by mysterious tribesmen.

Sweetchuck hides from his FBI agent brother Doug when he comes to the Academy looking for assistance in nabbing a wanted spy. The grads discover Sweetchuck's insecurities, as Doug is bigger, stronger, more confident, and seemingly better at everything than his older brother. Dressed as criminals, Mahoney, Jones, Tackleberry & House set up a mock robbery in hopes that Sweetchuck will capture them, showing his brother just how tough he really is. But when their plans go awry, Doug is captured by the spy he's been looking for, and Sweetchuck finds himself in a very real situation.

Jones finds help from his old karate teacher Master Shiro, after his karate skills seem to be diminished, following a botched encounter with some Japanese bad guys at the local power plant. Master Shiro's former student Flung Hi (I kid you not) is carrying out his plans to harness various energy sources, in his ultimate quest to take over the city. Jones must train harder to regain his confidence, as he prepares to face his nemesis in the inevitable showdown.

While shopping for a new goldfish for Commandant Lassard's birthday, Sweetchuck discovers that Zed has a fear of water. An eavesdropping Proctor eagerly relays this news to Captain Harris, who says this information is all he needs to oust Zed from the force. But first, they have to deal with a group of hoverboard riding burglars known as the Hang Ten Gang. After making off with both a ton of cash and Zed's girlfriend, the chase leads our heroes over land, air and (gasp)...water! Can Zed face his fear and beat these surfer dudes at their own game? Or will he have to endure the sounds of Harris and Proctor singing 'Goodbye'?

Mahoney plays babysitter for the day, when asked to take care of the new neighbor's baby, Nellie. What he doesn't know is that high-tech criminals are trying to steal top-secret transistors hidden in Nellie's rattle, before Aunt Mona delivers them to the government. But when baby Nellie wanders out of the building with the rattle, a wild goose chase involving both crooks and cops ensues throughout the city. One must wonder, which poses a bigger challenge for the P.A. grads; nailing bad guys, or changing diapers?

When a suspected space lab burglar, Mr. Glitch, is taken in for questioning, he drops a stolen microchip into a goldfish bowl, where it is swallowed by Lassard's pet goldfish Finnegan. After Glitch is let go for lack of evidence, it's a race between cops and robbers to find the chip, after Finnegan is accidentally sent down the drain.

Wax museum curator Waxen Wayne has a special formula that allows him to mold his face to look like anyone. Along with Kingpin, they devise a fiendish plot to do away with the governor, so that Kingpin can be free to do as he pleases throughout the city. After the governor is kidnapped and replaced with a lookalike (Waxen Wayne in disguise), the police are shocked to hear what the ""governor"" really wants -- no more cops! To make matters worse, Sweetchuck and Zed are also captured, as Kingpin prepares to transform the three into wax statues... permanently!

Kingpin's people have stolen the crown jewels of Ruritania, hiding them in an Edsen car that is shipped to the city. However, Kingpin doesn't know which car contains the merchandise, so he hires teenagers to steal every Edsen in the city, until they can find the goods. Meanwhile, young Billy and his friends are the first to join Lassard's new Cop Scout program. Their mission is to help Mahoney and friends infiltrate the car theft ring, and bring the criminals to justice.