The Great Pussini, opera star, comes into town and immediately takes to Sonja, winning her affection. Meanwhile, Heathcliff is furious and tries to show Sonja that Pussini is a fake. The voice of Pussini is really a little nerd cat. Sonja ends up leaving with him. Heathcliff is embarrassed and puzzled. The jealous Heathcliff exposes Pussini as a fraud and turns his concert into a fiasco.
Cleo's owners are going on vacation and plan to put her in a kennel, so Riff Raff and the Catillac Cats decide to rescue her. They break into the kennel and rescue Cleo, but not until they completely demolish the building in their attempt.
Heathcliff hears through the grapevine that an over-friendly and slightly dim-witted canine friend of his named Chauncey has been captured by the dogcatcher in the next town. Heathcliff decides that Chauncey isn't all that bad and tries to spring him from the pound.
Riff Raff takes Cleo to a carnival after hours but their fun is thwarted by Bruno, Geldorf and a carnie.
Heathcliff gets into mischief with the local dogcatcher. Sonja is concerned about the dogs that are being picked up so Heathcliff investigates. Once Heathcliff gets involved you know there is going to be some real excitement.
After returning from the beach, Hector, Wordsworth and Mongo discover that their Cadillac has been stolen. Riff Raff figures that a day at the circus will help them take their minds off their loss. But they soon realize that their car is being used by the circus as part of the show. Now they must devise a plan to get it back.
A kitten shows up in the neighborhood with an enormous case of hero worship for Heathcliff. However, he is so much like the object of his esteem that Heathcliff himself can hardly stand his new little shadow. Eventually, the kitten moves on and leaves Heathcliff alone.
When Cleo visits her cousin, LuluBelle, in the country and takes the Catillac Cats along, it's love at first sight for Mungo and LuluBelle. But the amorous boy-next-door, Orville, already has designs on LuluBelle and will stop at nothing to keep his new competition from edging in.
A movie star named Rock comes to town to film a new movie, and Sonja is thoroughly smitten. Heathcliff is wildly jealous, but Sonja forbids any fighting. However, when Rock is exposed as a fake - from his toupee to his false teeth - Sonja's affections return to our hero.
Mungo becomes master of his very own genie when he rubs a magic milk bottle one day. But everyone wants a piece of the action - and his three wishes - as Mungo tries desperately to save his claim.
Heathcliff and Iggy go to visit the zoo so that Heathcliff can finally meet the king of the beasts, the lion. But to Heathcliff's dismay, the lion is a kind-hearted and gentle creature and not at all to Heathcliff's liking. The apes in the zoo make fun of the lion because he is so tame. Heathcliff gives the cowardly lion some pointers on being fierce and strong which helps the lion put those nasty apes in their place!
It's the Cats vs. sneaky Admiral Catsk in a race up the slopes of Mount Whoji next. Bears and mountain goats add to the surprises and fun up the trial; but the biggest surprise of all is Cleo waiting at the top of the mountain to toast the losers with champagne.
The Nutmegs tour the fire station and are very embarrassed by Heathcliff's behavior. That night, while sleepwalking, Grandpa Nutmeg sets the house on fire and Heathcliff saves everyone by getting the firemen there in time, thus redeeming himself for the way he'd acted earlier.
Cleo wants a new bed, so she sends Riff Raff on a mission to find one. Meanwhile, Leroy's cousin Mervin McMutt is in town and using the bedding that Riff Raff needs...
Riff Raff, Cleo, and the Cats visit the world famous "Dizzyland" amusement park where they tour the House of the Future. The cats hide when the house closes for the day, and spend the evening enjoying all the comfort and gadgets the future holds.
J.B. is a rich, snobbish cat who comes to visit the Nutmegs. He expects Heathcliff to wait on him paw and paw, and even vies for Sonja's attention. However, Heathcliff discovers the dark secret of J.B.'s past and uses the information to his advantage.
Spike's cousin, Bull, is a ferocious looking guard dog who sports a bone out of his mouth the way a tough guy might use a cigar. He convinces Spike that he no longer should take guff from Heathcliff and proceeds to teach him to defend himself but to no avail. After Bull has harassed everyone in the neighborhood, he challenges Heathcliff to a fight in the vacant lot on Elm Street and guess who wins? Who else, Heathcliff!
Riff Raff enlists the Catillac Cats to aid his attempt to break into a bird sanctuary. After trying everything from a hang-glider to a trampoline, Riff Raff manages to gain entry, only to be bludgeoned by a giant feathered bouncer.
Heathcliff hears Iggy saying how wonderful it is to have a pet, and decides he should have a pet too. He tries out Spike and Mungo, but they do not make good pets at all. He frees a live lobster from the fish store which makes a great pet until the lobster begs to go home to the ocean and Heathcliff generously complies.
Wordsworth is convinced he has a rare cat disease which Riff Raff read about in the paper, so the gang take him to a cat witch-doctor who tells them the only cure is an alligator hair. The cats risk their lives in a swamp before returning to tell the doc that alligators don't have hair. No matter, Wordsworth seems better.
Grandpa takes Iggy to the country club where Grandma challenges Grandpa to a game. Meanwhile, Heathcliff's quarrel with the mice causes chaos in the dining room.
Riff Raff and the cats watch a horror movie, and that night Riff Raff dreams he is Dr. Frankencat and has created a monster. It's a regular nightmare, with even Leroy showing up as the Wolfman. Riff Raff wakes up screaming for help, and glad it was all a dream.
The Nutmegs decide to have a family portrait taken - including Heathcliff. Every time the photographer tells the group to "say cheese," mice appear and Heathcliff dashes to catch them, leaving the studio a shambles in his wake.
An old dirt bike arrives in the junkyard and the cats fix it up to stage a little competition. A gang of tough cats arrives to challenge the Catillac Cats, but our heroes emerge the victors.
During an afternoon of deep-sea fishing, Heathcliff and the Nutmegs land their boat on a small island for a picnic and soon learn the island is inhabited by a tribe of wild cats called Meow Meows. These savages capture the Nutmegs, but Heathcliff cleverly rescues them from being sacrificed in a native ritual.
The Catillac Cats team up against some snobs in an Iron Cat Tag competition that will determine the ownership of the local park. Naturally our heroes come out the victors, but not without some fun along the way!
Heathcliff becomes curious about his lineage and dreams about what his ancestors might have been like. We follow the escapades of historical Heathcliff in the Wild West, merry old England, and ancient Rome until Iggy calls to his cat and wakes him up.
Bush is about to lose his night job as a night guard of the candy factory because somebody keeps stealing chocolate. Riff Raff offers to help catch the crooks, which he does with the help of his friends.
When Heathcliff tries to follow Iggy to a Boy Scout camp, the scout master forbids it, saying, "A common house cat could never survive in the wild." This infuriates Iggy's pet, who sneaks along anyway just to prove the scout master wrong. Even though Heathcliff gets into all kinds of mischief in the wilderness, he leads the group to safety when they get lost in the woods, so he becomes the first cat ever to be named "Scout of the Year!"
Riff Raff and Cleo head to the Queen Mildred for a love boat cruise, but their romantic plans are thwarted when they get off to a bad start with a couple of pretty poodle snobs. Cat and dog chases ensue, while Hector, Wordsworth and Mungo try desperately just to get on board.
After discovering several empty cat food cans in the Nutmeg pantry, Heathcliff decides to go to the cat food cannery to complain. There he defeats a vicious guard dog in battle, and manages to get himself appointed cannery guard by the foreman! The new station is short-lived, however, when what begins as a picnic with the Catillac Cats in the factory turns into a free-for-all, and the old guard dog returns to seek his revenge.
Riff Raff's sleep is disturbed by the sound of a squawking whacko bird. Try as he may, he can neither silence nor hide from the noisy bird. Eventually, he manages to trap the intruder and ship it to Africa - before he hears about the big reward the zoo has offered for the bird.
Heathcliff accidentally solves a Rubik's cube-type puzzle, so Iggy decides his cat must be a genius and submits him to a scientist for laboratory testing. Heathcliff doesn't blend well with the other animals, and in no time has managed to cause countless squabbles and sabotage all the lab tests.
Cleo is bored with Westminster and asks Riff Raff to take them to the exciting city. The cats build a giant balloon and fly it into the city. Once there another gang quickly steals their balloon, leading to a chase across town.
Much to his dismay, Iggy and Marcy enter Heathcliff in a show against pedigree cats. He uses his less-than-scrupulous best to win the show and impress Sonja.
Mungo is being forced by a big dog to perform as a stand-up comic at a Big Dog Comedy Show. Riff Raff brings in the world's worst cat comic to empty the room so Mungo can be rescued.
Heathcliff is trying to sleep in a vacant lot when he is disturbed by a noisy construction crew. To revenge his loss of sleep, Heathcliff single-handedly destroys the new structure and hides all of the workers' tools.
Cleo wants to take a trip, so Riff Raff packages her and the other cats up and sends them through the mail to what he believes to be a ski report. However, the gang end up in a wild animal park where they have endless adventures with the jungle beasts.
Iggy goes into a hospital to have his tonsils removed, and Heathcliff goes along - even though no pets were allowed. Heathcliff terrorizes the hospital in a very short time, and even gives a lecture posing as a visiting doctor.
Hector complains about Riff Raff's leadership of the Catillac Cats, so Riff Raff offers to let him take over. After a series of dumb decisions and blatant bungles, even Hector has to agree there is no leader for the gang except Riff Raff.
Iggy and Marcy take Heathcliff along shopping for an anniversary gift for Grandma and Grandpa Nutmeg. Heathcliff seizes every opportunity to cause mayhem in the department store, and even tries to swipe a rhinestone collar for Sonja to replace the one she's recently lost. On the way home, Heathcliff finds Sonja's lost collar in the grass, which makes him a hero.
Riff Raff's brother comes to visit and gets into trouble with the junkyard dog Leroy.
While on a camping trip with the Nutmegs, Heathcliff gets himself covered in feathers and sardine oil. A mountain lion and an eagle mistake Heathcliff for a bird, and fight over him. Eventually he escapes and returns safely home.
Riff Raff and Cleo decide to go steady. When a new girl comes to town, Riff Raff decides to juggle both. Cleo finds out and decides to sabotage Riff Raff's date.
Heathcliff sneaks into the Van Corkingdale mansion to challenge Bruno, their ferocious guard dog, and determine who the real king of the neighborhood is. Inside, Heathcliff defeats Bruno, allowing burglars to raid the house! Later, when the some crooks attempt to burgle the Nutmeg home, Heathcliff traps them for the police, and returns all the previously stolen goods to the mansion.
Cousin Lucky comes to visit Riff Raff seeking help. It seems everywhere he goes, disaster follows, and his reputation as a jinx is so widespread, everyone runs when they see him coming. Riff Raff gives Lucky a good luck charm, and it really seems to work! However, Lucky becomes overconfident, discards the charm, and once again it rains only on him wherever he goes.
The Nutmegs are snowed in and Heathcliff has cabin fever. He accidentally locks himself out in the snow, and while outside, helps police apprehend the dangerous Ski-Mask Fugitive.
When a wealthy Sheikh visits the country, Cleo is excited to meet the suave cat who travels with him. But Riff-Raff isn't happy when the royals run off with his girlfriend, and the gang must run to the rescue.
Heathcliff learns that playing Momma Cat is no easy task after he is adopted by a tiny kitten lost from her mother. Heathcliff teaches the little girl all about life as they roam the streets together in search of the missing mom, and they soon become fast friends. Heathcliff's big responsibility ends when at last the mother and kitten are reunited, but a touching moment at the end reveals that Heathcliff is really going to miss the little thing.
When the local fishing bureau announces a shortage of fish in the area, the Catillac Cats turns to Professor Flixx for help. With the aid of the professor's latest invention, a Flixx fish trumpet that will summon fish at a single note, the cats get their fill. But not before an overly-zealous Hector learns a valuable lesson about greed and friendship.
When the local policeman warns Heathcliff that any more of his pranks will land him in jail for life, our little monster decides he'd better reform. And when a new cat gang moves into town to terrorize the neighborhood, Heathcliff is forced to stand passively by and let them take over his territory. But it isn't long before the policeman is back knocking on Heathcliff's door; only this time he's come to ask Heathcliff's help. Heathcliff can do anything he wants, just as long as he runs those nasty new cats out of Westfinster! Things return to normal in no time as Heathcliff shows the punks who's really the boss!
The Catillac Cats are practicing for a band competition at the Cat's Pajamas Club, when three hip cats steal their musical instruments. Riff Raff and Cleo help track down the crooked cats and retrieve the instruments. That night at the contest, the Catillac Cats win first place.
Heathcliff accompanies the Nutmegs to the lake Plastered ski resort where he immediately has a tumble with Alpine, the resident St. Bernard. The ensuing fight takes us throughout the ski lodge and onto the slopes; from hot tub to snowmobile before Heathcliff proves himself the better beast.
After sneaking into a rich cat's condominium, Cleo convinces Riff Raff and the gang to build a condo of their own in the junkyard... But they soon realize that being home owners isn't as easy as it seems.
A big, muscle-bound cat named Pecs tries to take Sonja away from Heathcliff, so he starts working out in order to beat Pecs at his own weightlifting game. Unfortunately, the manager of the gym is in cahoots with Pecs, and throws Heathcliff every possible curve. Heathcliff catches on, and throws the curves right back. Sonja is his in the end.
Riff Raff sees a picture of a cat that looks like Mungo in the paper for which a reward is offered. The cats turn Mungo in and collect the reward, only to find they have left their friend in the clutches of a mad scientist. A rescue plan saves Mungo just in the nick of time.
A mild-mannered cat named Henry -- who looks exactly like Heathcliff -- wanders into the neighborhood. When Spike thinks he has beaten up Heathcliff, Heathcliff catches on and joins forces with Henry to make Spike look like a fool.
Riff Raff and the Catillac Cats go camping in the woods and meet Big Foot who threatens their camp. They try to catch him for fame and fortune. In the end Big Foot gets away, but upon overhearing the boys tell their disappointment over their loss of fame, Big Foot comes out of the woods and auditions for them.
Marcy gets a new cat, Tammy, who challenges Heathcliff's position as top cat in the neighborhood. It's a terrible blow to Heathcliff's ego to have a female cat take over, but neither he nor the alley cats can defeat this lady. Sonja knows how to handle Tammy, however, and puts Heathcliff back in charge.
Mungo's in love with a cute little cat named Dixie and everything is perfect. All except for one thing Dixie's older brother, Jake. Jake has conditions to prove Mungo is worthy of his little sister which include an athletic competition in which Mungo pole vaults, shot puts, runs the high hurdles, and performs other amazing feats all for the sake of a date with Dixie. Mungo's buddies pitch in to help Mungo win, but in the end it is Dixie who has the final say, and she wants Mungo - win or lose!
Heathcliff and Sonja go to the circus to see Heathcliff's cousin, Rollo the cat-clown. Rollo is troubled because the wild circus animals have become tame, the trapeze artists are afraid of heights, etc. Our hero discovers a plot by a rival circus, and with the help of the Catillac Cats, he fails the evil plan.
Riff Raff and the Catillac Cats sneak onto the Space Shuttle in order to carry a home-made satellite into space and focus it toward Westfinster. They get it up and make it home by the skin of their teeth, but the satellite will only send back pictures of the junkyard!!
Sonja tells Heathcliff he needs to lose a little weight, so he goes on to crash diet with the help of the Alley Cats. Every time Heathcliff weakens and tries to eat something, Mungo or Hector snatch the food away. When Heathcliff is finally able to tell Sonja he has lost ten pounds, she admits he'll love him at any weight, so our hero instantly returns to his former gluttonous ways.
Leroy gets a new assistant dog in the junkyard and announces that tougher rules will now be enforced. The new dog is the world's worst practical joker and makes our heroes suffer unmercifully until Riff Raff discovers that the new dog can dish it out, but he can't take it.
Heathcliff suffers a nasty bang on the head, which renders the "Devil Cat" side of his personality stunned and permits the "Angel Cat" side to take over. Suddenly Heathcliff is good as gold and begins performing numerous acts of kindness toward Spike. Spike is confused, but certainly willing to take advantage of the situation. He even puts on a show for the other animals to demonstrate his new ability to make Heathcliff do his bidding. However, when the "Devil Cat" recovers, Heathcliff puts Spike back in his place posthaste.
Riff Raff must survive one night in a haunted mansion to win a contest of bravery for Cleo's affections. The Catillac Cats accompany Riff Raff, and are terrorized by all manner of embodied spirits. In the end, however, Riff Raff manages to employ the spooks to frighten away the competition for his love.
Heathcliff declares war on a couple of gophers in the park.
A trip to a rock concert leads Riff Raff, Cleo and the gang in an unlikely direction.
When Iggy is sick, he gets so much special attention from Grandma Nutmeg that Heathcliff pretends to be sick.
Riff Raff "borrows" Leroy's boat for a romantic ride with Cleo.
Mugsy and Spike challenge Iggy and Heathcliff to a soap box racer competition.
Leroy decided that you don't have to be a cat to be an expert at catching mice
Heathcliff stows away on a cruise ship.
One day, while listening to a radio show, Mungo accidentally hits his head.
The boys at school bet Iggy he cant come up with a better science project than they've got.
Mungo quits the gang because the others are constantly berating him.
In order to get a date with Sonja, Heathcliff promises to baby-sit her little nephew.
Hector and Mungo become the guinea pigs in a mad scientist's experiment.
Heathcliff is volunteered to be the cat on the Puurfect cat food commercial, but doesn't get the part for liking the brand X cat food.
The cats stow away, inadvertently, to the Antarctic with a scientific expedition.
A local restaurant owner hires two guard dogs to keep Heathcliff out of the garbage.
Pearls are discovered in the drainage ditch swimming hole in the junkyard.
Iggy is trying to master playing the trombone.
Cleo's cousin Lindsay arrives, and Riff Raff is "volunteered" to show her around town.
Pop gets paroled from prison, but Heathcliff thinks he has escaped.
The Catillac Cats take care of a baby lion from the circus.
Two Siamese ninja cats enter town and terrorize the neighborhood. Heathcliff is blamed for it. Heathcliff, with the help of Hector, Mungo, and Wordsworth, gets rid of the Siamese twins.
The Catillac Cats enter a dance contest and Mungo makes the finals!
Heathcliff gets an idea from reading Playcat Magazine.
Leroy wants to meet a rich poodle.
Heathcliff notices Spike and the Alley Cats are missing from the neighborhood.
Riff Raff plans a special anniversary surprise for Cleo.
Iggy decides to send Heathcliff to obedience school.
Wordsworth calculates a surprisingly accurate horoscope for Mungo.
Mugsy insults Marcy at the tennis club.
Mungo cooks up a batch of his mother's secret recipe, and everyone really loves it.
Heathcliff and Mungo meet the great cat-wrestler, Boom Boom Pussini.
At a beach party, Mungo falls for a pretty female feline.
Heathcliff sneaks along when the Nutmegs visit Marineland.
Riff Raff is wildly jealous of Pierre, a gourmet-chef-cat who is dating Cleo.
Dooley the dogcatcher has been replaced by a robot called the super Mechanical Animal Catcher (M.A.C.). It starts catching all animals in town. Heathcliff destroys the M.A.C. menace and reprograms it to set all the animals free.
When Cleo's interest is aroused in the subject of Archaeology, the Catillac Cats decide to set out on an archaeologist expedition of their own. They travel through catacombs on a prehistoric adventure that offers Saber-toothed tigers, dinosaurs, and even Cleo and Riff Raff's cavecat ancestors!
Hector, Wordsworth and Mungo decide to teach Heathcliff a lesson after a typical day of being picked on. That night when Heathcliff is fast asleep, the cats sneak into his house, and with Hector dressed like a ghost, frighten Heathcliff into promising to be nice to his friends. After a few days of being good, Heathcliff finally catches on and puts his sneaky friends back in their place.
Riff Raff goes with Cleo to the museum to look at dinosaur bones. Riff Raff is accidentally knocked unconscious while jumping on one of the displays, and while he is out, dreams of many wild adventures in prehistoric times.
Heathcliff breaks into prison to save his father just as his father is released. Heathcliff is locked up and begins terrorizing the entire prison, while Pop moves in with the Nutmegs and begins terrorizing the neighborhood. In the end, a trade is made, and both cats return to their rightful places.
The cats are constantly pulling pranks in the junkyard, and Leroy has had enough! To even the score, he sets out to play a few tricks of his own.
Heathcliff and the Nutmegs go to an air show where Iggy wins a raffle for a ride in a supersonic jet. Heathcliff pushes a button which ejects the pilot and then brings the jet in for a spectacular landing by himself.
Cleo is not invited to a high society cat party, so she, Riff Raff and the Catillac Cats go in disguise. Our friends are mistaken for a royal party until they cause a brawl which literally destroys the ballroom.
It's Heathcliff's birthday, and he's a very happy cat. That is, until he realizes all his friends have forgotten! Everywhere he goes, cats and people blithely tell him they're busy, and send him away. Angry and hurt, Heathcliff decides to run away. When he goes into the Nutmeg home to get his things, everyone is there yelling, "SURPRISE!"
A lady moves into the neighborhood that has twelve gorgeous female cats. Riff Raff, Hector and Mungo try several plans to break into the house and meet the new felines, but only Riff Raff succeeds. However, once inside, he discovers that a harem is more than he had bargained for, and makes his escape.
When the Catfather and his mob move into the neighborhood, a naive Heathcliff accepts his offer to work for him, and unsuspectingly collects "gifts" from all the frightened animals in town. When he discovers from Sonja who he is really working for, Heathcliff, needless to say, takes care of things properly.
The Catillac Cats come to the rescue when some bad cats plot to swipe all the fish donations at a benefit show in which our heroes are performing.
Grandpa, Iggy and Heathcliff find themselves in the path of a group of people on horseback. It's a fox hunt, and both Iggy and Heathcliff are very sympathetic to the fox. Heathcliff teaches the frightened creature several tricks to foil the hunt, and saves the little guy's life.
Cleo and Bush are forced to move into the junkyard after a sign goes up at their music store disallowing pets. At first the junkyard cats are excited about the new living arrangement - that is, until Cleo shoves brooms, mops and dust rags into their paws! Now, how to get rid of Cleo?
Iggy and Heathcliff are watching TV and see on the news that a prisoner escaped who looks just like Grandpa. When Grandpa comes home, they think it's him and try to hide him. The real prisoner shows up and Heathcliff and Iggy have to figure out which one is the real Grandpa.
A big game hunter comes to town claiming that no animal is too difficult to capture. Riff Raff sets out to prove his statement false. There are some close calls, but he escapes every attempt of the hunter and in the end traps the hunter in one of his own cages!
Heathcliff, eating the Nutmeg's out of house and home, is sent out to earn his own tuna money. He lands a job on a tuna boat where he tangles with the bad dog from a nearby pirate trawler who has just stolen their entire catch.
Mungo finds half of a treasure map in the junkyard, and the Catillac Cats take off for the desert to search for the lost booty. There they run into Pecos, a cat prospector who just happens to have the other half of the map. It's a mad rush to get to the treasure first, but there's plenty of loot for all.
Marcy dresses Heathcliff in baby clothes and is pushing him down the street, when two crooks disguised as mother and child rob a jewellery store. The police confuse the duos and throw Heathcliff in jail! Undaunted, our courageous cat escapes his cell, apprehends the true offenders, and surfaces a hero.
Much to Riff Raff's dismay, his mother is coming to town to see the beautiful mansion he lives in. Riff Raff, in a frantic attempt to cover up his fib, disguises his friends as servants and sneaks into a fancy house when the real owners leave, but Riff Raff's plan backfires and his mother finds out the truth. However, she doesn't mind at all that he is a simple alley cat and not the wealthy son she had thought.
Spike's mother is coming to visit, so he pleads with Heathcliff to let it appear that he runs things around the neighborhood. Spike says he'd be a disgrace to his family if they knew he was second to a cat. Heathcliff refuses on the grounds that he doesn't want his neighborhood misrepresented, and continues to torment Spike at every opportunity. However, Heathcliff quickly learns that he is no match for Spike's mother.
Riff Raff talks the Catillac Cats into rehearsing for a Dance Troupe. They rehearse break dancing. When they go for the audition, it's a Ballet Troupe and not break dancing. They are thrown out. They end up dancing at home for fun.
Heathcliff goes out to sea with the fishermen to determine what has caused a dreadful tuna shortage. Once in tuna waters, he discovers the culprit is a giant shark with an enormous appetite. Valiantly, Heathcliff annihilates the enemy and is rewarded with a mountain of fresh tasty tuna.
Hector answers a newspaper ad to become a private investigator and quickly becomes a nuisance to everyone; snooping around for clues to uncommitted crimes. After making a fool of himself several times, he realizes that a detective's life is not for him.
Heathcliff takes Sonja to an Egyptian Museum for her birthday. There, two spies mistake Heathcliff as an old Egyptian cat king that has returned to life. They decide to "rescue" him and return him to Egypt. Hector, Wordsworth and Mungo also hear of the party and attempt to crash it.
Hector is tired of Mungo being nice to birds, so he swipes a stork egg and places it next to Mungo, and makes him think he laid it!
A mouse named Newton, who has super-human strength, ventures into Heathcliff's home and starts reeking havoc. Grandpa orders a robot to get rid of the mouse. The robot mistakes Heath for a mouse and starts chasing after him. Newton the mouse saves Heathcliff.
Cleo demands jewelry. Hector, Wordsworth and Mungo find a treasure map leading to the lost city of Catlantis. Riff Raff knows he can get jewels for Cleo this way.
Heathcliff and Sonja land the leading roles in a movie which is filming in her town. However, once on the set, Heathcliff discovers he is merely a stunt double for a temperamental star. After surviving several rigorous stunts, Heathcliff challenges the conceited star, who storms off the picture, leaving Heathcliff to do the final love scene with Sonja.
A pack of mean dogs comes into the junkyard to take over the territory. Riff Raff, thinking quickly, challenges the dogs to a soccer game to determine who will continue to reign. With their usual crafty antics, the Cats (aided by Leroy and Bush) defeat the intruders and save their home turf.
After Riff Raff saves Mungo from a bad fall, Mungo becomes Riff Raff's servant in gratitude and slowly drives Riff Raff crazy.
There's a new arrival in the neighborhood. A highbrow English couple, and their equally-arched cat - Reginald.
Heathcliff dreams of what it would be like to be a rich Beverly Hills cat.
While the gang naps, Mungo builds a giant junk robot cat. The junkyard is under siege by Mangle and his gang, they want to destroy the junkyard so he can buy it for himself.
Heathcliff is taught to be good.
Mungo and Wordsworth get trapped in a painting. Riff Raff and Hector attempt to rescue them.
The cats put a new engine into the Catillac not realizing it is a time machine engine of Professor Craziloon.
Grandpa accidentally feeds Heathcliff some Super doggy Vitamins.
Mungo's in love, and that's trouble for the rest of the gang! They each help Mungo try to talk to his new crush, in their own way. It isn't until Mungo talks to her himself that she goes out with him.
Heathcliff interrupts Spike's bragging session by beating him up. Muggsy disowns him and Spike is left to fend for himself. Iggy takes him in until he finds a new owner, so Heathcliff and Spike are forced to live together.
Heathcliff switches places with a rich cat, a look-alike named Beatcliff. They both adjust to their new lives, until Heathcliff meets Beatcliff's fiancé Agnes, and he skips out on their wedding.
Mungo finds out he is worshiped as a king on an island paradise. The rest of the gang go after him to rescue him from his life of idle riches.
Mungo trains and competes in the Catlympics. Riff Raff makes a side bet with a competitor named Louie that Mungo will win every event or if he loses just one, that he'll take over the junkyard.
Heathcliff remembers the story of how they first got together. Heathcliff's story of how it happened varies from Sonja's story.
Heathcliff thinks he witnesses Spike get dog-napped while he is laid up with a broken leg. He sends the Alley Cats on a detecting misadventure.
Looking for some fish to eat, The Catillac Cats stop at a sushi bar. They are assaulted by a ninja cat. Riff-Raff challenges him to a fight on their turf - the junkyard!
Because of his habit of stealing fishes, Heathcliff is put to a therapy in order to break his habit.
The Catillac Cats throw a birthday party for Leroy and they reminisce about how they all first met.
It's winter, and the Catillac Cats are going to play a little hockey! Their opponents: The Catastrophe Cats, a rather large team of tough cats.
Heathcliff's thrilled to learn that his Mom is coming to visit, but terrified that she'll discover he's fibbed about living with a wealthy family. He concocts a plan to fool his Mom, but learns the hard way that one should always tell the truth.
Monty Manx hires Hector to be his bodyguard after the rest of the gang mug him, but the cats scam him out of advances on Hector's pay.
Heathcliff spreads false news around the neighborhood after hearing the city plans on trimming the trees.
Out-of-weight, out-of-shape Heathcliff is coerced into a crash course at the local cat health emporium.
Cleo is "Miss Off Road" and will present the trophy and kiss the winner of the Big Race.
Spike meets Albert, who promises to help Spike get Heathcliff back for all the bad things he's done to Spike. Unfortunately everything Albert plans winds up backfiring on Spike!
The Catillac Cats find themselves starving, but they see an ad for Nevada Worthless's car lot, who is offering a free smorgasboard for anyone who trades in their car for a new one.
The original owner of the Cadillac returns and takes it under Hector, Mungo, and Wordsworth's noses. When Riff Raff returns after a date with Cleo, he is furious and tells the others they wont eat, or sleep, or have a moment's peace until they get the Cadillac back.
After getting beat up, Jake, the new cat in the neighborhood, learns that Heathcliff is the boss. But Jake gets a cat costume and impersonates Heathcliff to make him look bad!
While robbing the fish store, Heathcliff hits his head and gets amnesia. The old neighborhood gang take advantage of him, as well as Spike.
The Catillac Cats meet with an old friend, Elise, who tells them the story of her woe and unrequited love for Top Hat Cat.
Heathcliff, caught doing malicious mischief, packs up to join the French Cat Legion.
The Catillac Cats get Leroy fired, then realize that he was better than the new guard dog they got to replace him.
The cats go camping in the Caddy after they are evicted from the junkyard by Leroy. They're tormented by a bunch of wild raccoons. Meanwhile, Leroy's having some new cats move into the junkyard.
Iggy is trying to perfect a plant growth formula when Heathcliff stumbles (literally) into his experiment. The result leaves Heathcliff with fur that won't stop growing, until Iggy comes up with an antidote.
The Easter Bunny tells the Cats how eggs became colored for Easter.
A pair of con artist cats decide to burglarize the Nutmeg home, but they have to get Heathcliff out of the way first.
Grandma Nutmeg regales Iggy with a tale about how Heathcliff wound up in the possession of a rare golden egg, and the whole neighborhood (including the crooks who stole it in the first place) wound up looking for it.
Mungo writes a letter to his grandma, telling the story of a turf war between Riff Raff and Hector.
Riff Raff and Cleo share differing views on how they first met... and her date Goon is coming back to town to give Riff Raff a "message".
The Nutmeg travel to New York for a vacation. Grandpa spins a yarn about how it's rumored there are alligators living in the sewer system and whoever could capture one would be a hero. While visiting a museum, Grandpa leaves Heathcliff with the hatcheck girl...but not for long. Heathcliff soon escapes and before long he's down in the sewers beneath the Big Apple, searching for an alligator. When he actually runs into one the episode turns into a wild chase in the sewers as cat and reptile clash in a titanic battle.
Heathcliff and Spike travel to the North Pole to deliver returned letters back to Santa Clause. It turns out an elf sent them back as a joke.
Mungo's brother is sent to live in the junkyard with him. He soon starts getting into mischief, and gets involved with a rival cat gang.
