Episode 1 | In the Army

Ren and Stimpy register in the army, unaware of all of the obstacles to overcome with a big, bossy sarge, though they end up passing and entering a war.

Episode 2 | Powdered Toast Man

Powdered Toast Man (voiced by Gary Owens) saves a kitten from crashing into a truck, rescues the Pope (voiced by Frank Zappa) from Muddy Mudskipper, serves Ren and Stimpy breakfast, and helps the president with an embarrassing bathroom situation.

Episode 3 | Out West/Rubber Nipple Salesmen

Ren and Stimpy find themselves amid the Wild West, where they run up against a Sheriff and Deputy who's favourite past-time is hanging people. They then hit the road as salesmen, going door-to-door to sell Rubber Nipples.

Episode 4 | Out West

Abner and Ewalt need someone to hang, so they hire Ren and Stimpy to steal Mr. Horse.

Episode 5 | Rubber Nipple Salesmen

Ren and Stimpy try to sell rubber nipples to the Fire Chief, Mr. Horse and the Pipes.

Episode 6 | Svën Höek

When Ren hears that his cousin Svën is coming over, he remembers him being smart, but when Svën arrives, he acts more like Stimpy, which puts Ren at the highest anger level after they accidentally destroy his prized possessions.

Episode 7 | Haunted House

A dull ghost tries to scare Ren and Stimpy when they enter a haunted house, but the ghost's plans to scare Ren and Stimpy seem to fail.

Episode 8 | Mad Dog Hoek

Ren, as Mad Dog Höek, and Stimpy, as Killer Cadogen, wrestle the Lout Brothers, Lump and Loaf, thinking that they're just pretending to wrestle.

Episode 9 | Big Baby Scam

Ren and Stimpy trade places with two babies to get the easy life, but they encounter many shenanigans.

Episode 10 | Dog Show

George Liquor has finished training and tries to make his dogs, Ren and Stimpy, win the all-breed dog show.

Episode 11 | Son of Stimpy

When Stimpy farts, he believes that he has given birth. He tells Ren about the incident, but Ren won't believe him. Soon, Stimpy relentlessly tries to find his fart, which he names "Stinky". Originally titled "Stimpy's First Fart"

Episode 12 | Monkey See, Monkey Don't!

Ren and Stimpy, seeing how the animals at the zoo get free handouts from visitors, disguise themselves as primates and apply for positions in the monkey house. As the other monkey, "Filthy", gets good food, Stimpy ends up getting old nutshells and pre-chewed gum, while Ren only gets a rock. Then they decide to get a transfer as a bird and a hippo.

Episode 13 | Fake Dad

Ren and Stimpy adopt an overgrown, seven-year-old convict named Kowalski. Stimpy is kind and understanding towards the needy "youngster", but Ren has a bit more trouble adjusting to parenthood.

Episode 14 | The Great Outdoors

Ren and Stimpy go camping, but Ren begins to hate it when he suffers a streak of bad luck.

Episode 15 | Double Header

After standing in the middle of the street waiting for the bus to take Stimpy as far away from Ren as possible (To URSA Minor), the duo are peculiarly sewn together due to them being sent to a discount hospital and have to work at a circus to get money.

Episode 16 | The Cat That Laid the Golden Hairball

Ren finds out that the value of hairballs is higher than gold and forces Stimpy to produce hairballs on a production line, but eventually, he has trouble producing anymore. Ren and Bubba try to help him, such as licking Ren's fur and Bubba's hairy back, but nothing works, and a brief trip into Stimpy's body reveals that his hairball gland turned into dust. When the worker working for them tells them that their business is over, they realize that the episode is over, and they all start dancing in celebration.

Episode 17 | Stimpy's Fan Club

When Stimpy becomes the adoration of many fans, Ren becomes jealous. To cheer him up, Stimpy makes him president of the Stimpy fan-club, leading to Ren getting even more jealous and thinking about killing Stimpy. Then Ren is sent a fan letter, of which he gloats about to Stimpy, but then becomes quickly disappointed when he learns the letter was from Stimpy himself.

Episode 18 | A Visit to Anthony

Anthony, a young fan of Ren and Stimpy, invites them to come to his house. They do, but they are confronted by Anthony's dad (voiced by Randy Quaid), apparently a cartoon hater, and the neighborhood bully Victor, but the father starts to like Ren and Stimpy as Stimpy wharfs hairballs onto Ren. Anthony is voiced by Anthony Raspanti, a young fan who sent in one of the first letters to the show.

Episode 19 | The Royal Canadian Kilted Yaksmen

Ren and Stimpy join the elite force of Royal Canadian Kilted Yaksmen, whose famous motto is: "We always get our... butts kicked!", the duo search around the country to make settings in what is now Canada.