There's a new arrival in the neighborhood. A highbrow English couple, and their equally-arched cat - Reginald.

While browsing through a magazine, Heathcliff dreams of what it would be like to be a rich Beverly Hills cat. He soon finds out, slipping off into dreamland. But once in Beverly Hills, Heathcliff finds out it's not the land of milk and honey he imagined. Lacking status, clothes and manners, he is soon pursued by an angry mob who feels he doesn't fit in. Heathcliff awakens to find he's safe in the Nutmeg household, which beats Beverly Hills any day.

The Nutmegs take Heathcliff to a "Shrink" -- the famous Dr. Hans Headfixer. After a few sessions, Heathcliff's a new, docile housecat. The Nutmegs aren't exactly happy with the 'new' Heathcliff when a burglar comes calling and Heathcliff actually helps the intruder out.

Grandpa accidentally feeds Heathcliff some Super doggy Vitamins. Gradually, Heathcliff undergoes a startling transformation which includes barking at trucks and passing up fish in favor of bones. Worst of all, he finds himself feeling friendly toward Spike. Heathcliff eventually sets things straight by taking a massive dose of cat vitamins, with Iggy's help.

Mugsy is tired of Spike losing to Heathcliff and tosses the dog into the streets. Iggy takes pity and offers to take Spike in, to Heathcliff's horror.

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.

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.

Because of his habit of stealing fishes, Heathcliff is put to a therapy where in order to break his habit.

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.

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.

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!

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.

Heathcliff, caught doing malicious mischief, packs up to join the French Cat Legion.

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.

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.

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.