Heathcliff hunts alligators in the New York sewers.
Con artists burglarize the Nutmeg home.
Iggy invents a plant food that causes hair growth.
Heathcliff joins the French Cat Legion.
Amnesiac Heathcliff thinks he is a butler.
A new cat in town poses as Heathcliff.
A new dog in town coaches Spike.
Heathcliff joins a cat health-emporium.
Heathcliff worries about the city's trees.
Heathcliff moves into Sonja's to impress his mother.
Grandpa Nutmeg tries to cure Heathcliff's fish craving.
Heathcliff thinks he sees Spike being kidnapped.
Heathcliff and Sonja recall their first date.
Heathcliff gets his fill of the good life.
Mugsy decides to toughen up Spike.
Grandpa Nutmeg feeds dog vitamins to Heathcliff.
Iggy and Marcy enter Heathcliff in a cat show.
Heathcliff solves a cube puzzle.
Heathcliff complains about empty cat-food tins.
Heathcliff tries to accompany Iggy to Boy Scout camp.
Heathcliff wonders about his ancestors.
Heathcliff and the clan land on a cat-infested island.
The Nutmegs include Heathcliff in a portrait.
Heathcliff joins Grandpa for golf.
Heathcliff decides he needs a pet.
Spike's cousin tells him to stand up to Heathcliff.
A snobbish cat expects Heathcliff's service.
Heathcliff embarrasses the Nutmegs at the firehouse.
Heathcliff and Iggy to the zoo to meet a lion.
A visiting movie star entrances Sonja.
A new kitten worships Heathcliff as a hero.
Heathcliff runs afoul of the local dogcatcher.
To free a pal from the pound, Heathcliff poses as a dog.
Heathcliff is jealous of a cat-tenor.
Mugsy decides to toughen up Spike.
Marcy is insulted by Mugsy at the tennis club. Everyone really loves when Mungo cooks up a batch of his mother's secret recipe.
The Nutmegs go to Marineland, and Heathcliff sneaks along. A gourmet-chef-cat is dating Cleo and Riff Raff is wildly jealous.
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.
Heathcliff's father is released from prison just as he breaks in to find him. Heathcliff terrorizes the prison when he gets locked up, while Pop moves in with the Nutmegs and begins terrorizing the neighborhood.
Heathcliff is concerned that Santa is retiring when the postman tells him that Iggy's letter to Santa is being returned. Mungo's kid brother, Mingo, is running with a bad crowd so Granny sends him to Mungo to straighten him out.
Heathcliff dreams about what it might be like to be a rich Beverly Hills cat. While dreaming, Heathcliff finds out it's not exactly what he imagined.
Grandpa convinces Heathcliff that there are alligators in the sewer of New York, where the Nutmegs are on vacation.
Spike's mother is coming to visit, so he begs Heathcliff to make it look like he runs things around the neighborhood.
Heathcliff has been in a bad mood lately, but it's gotten even worse.
A highbrow English couple moves in the neighborhood, and they brought a equally-arched cat, Reginald, along.
A new mechanical animal catcher arrives; Cleo's interest is piqued by archaeology.
A mouse moves in; Heathcliff and the gang try to find Catlantis.
Iggy is intent on inventing a revolutionary plant food. While the junkyard is supposedly being fumigated, the Cats get more than they bargain for when they head for the hills for a camping trip.
Heathcliff is determined to earn his own tuna money.
Iggy and Heathcliff see on the news that a prisoner who escaped looks like Grandpa; Iggy and Heathcliff have to figure out who the real Grandpa when him and his doppleganger both end up at the house.
Heathcliff attempts to capture a shark; Hector becomes a gumshoe.
Heathcliff and Mungo meet the great cat-wrestler, Boom Boom Pussini. Mungo falls for a gorgeous cat at a beach party.
The Nutmegs get snowed in, causing Heathcliff to get cabin fever. He accidentally locks himself out, but is able to help police apprehend the dangerous Ski-mask Fugitive.