Iggy is trying to master playing the trombone. Despite Iggy's best efforts, Heathcliff does everything he can to sabotage his musical talent and discourage him from continuing. The more Grandma and Grandpa Nutmeg enjoy Iggy's music, the more irritated Heathcliff becomes. / Cleo's cousin Lindsay arrives, and Riff Raff is "volunteered" to show her around town. Lindsay is an obnoxious loudmouth, and even though Riff Raff doesn't like her, Cleo gets...

Heathcliff shows up at Sonja's place to take her out for their anniversary. In turn, each of them recants the story of their first date. Heathcliff's memory is filled with gallantry and expensive restaurants. Sonja remembers it quite a different way. In the end, Heathcliff points out that what's important is that he did remember it was their anniversary. Sonja counters, telling him their anniversary isn't until tomorrow...and that's when he can...

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.

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...

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. / 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...

Iggy brings a white mouse home from biology class who is quickly in a scuffle with Heathcliff. Grandpa calls in a Rodent-Removing-Robot who eventually wins a spectacular match of wit and trickery during which the entire Nutmeg house is town down to the ground. Heathcliff then saves the day by reprogramming the robot to rebuild the house at record speed. / When Hector finds a map to the Lost City of Catlantis, the Catillac Cats transform their car...

Heathcliff become 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....

Heathcliff auditions and wins a chance to be in a cat food commercial. However, he hates the taste of the advertised brand, and prefers Brand X. Heathcliff is thrown off the set, but the folks at Brand X are so grateful that they fill Heathcliff's pantry with a year's supply of cat food! / The cats stow away, inadvertently, to the Antarctic with a scientific expedition scheduled to last 1 to 2 years. They make a daring escape from the ship on a...

Heathcliff and Mungo meet the great cat-wrestler, Boom Boom Pussini. In Heathcliff's usual antagonistic manner, he prompts Boom Boom into a fight to be held at the Catatorium in one week's time. Heathcliff is so sure that he can win that Mungo can't even get him to train. When the time comes to fight, Heathcliff doesn't play fair when he unties Boom Boom's shoes laces to get the upper hand on the professional wrestler. / At a beach party, Mungo...

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.