Mel Blanc

Mugsy and Spike challenge Iggy and Heathcliff to a soap box racer competition. Iggy builds a great car out of odds and ends Heathcliff gathers from around the neighborhood. The alley cats join in with a junk-racer of their own, and after a fierce contest fraught with conflict and sabotage, Heathcliff stands alone in the winners circle.

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...

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...

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. Prisoner gets taken away, and all happy. / A big game hunter comes to town claiming that no animal is too difficult to capture. Heathcliff sets out to prove his statement false....

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.

Heathcliff changes places with his royal cat double - Sir Beetcliff. Each has a hard time adjusting to the other's life. Heathcliff finally has his fill of the good life. He breaks loose from his gilded cage, returns home, and evicts Beetcliff. / Mungo becomes King of the Mungo Bungolese and does not recognize his buddies after their harrowing trip through the jungle to save Mungo from the life of a King. After showering the prisoners, Mungo realizes...

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,...

The boys at school bet Iggy he cant come up with a better science project than they've got. However, with the help of Grandpa and Heathcliff, his automatic toast buttering machine is a success. Later, at the Science Fair, Heathcliff sabotages the competition and Iggy takes first prize. / Mungo quits the gang because the others are constantly berating him and calling him stupid. To get him to come back, Riff Raff, Hector and Wordsworth promise to...

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...

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...