Weasel studies one of the natural wonders of the world, a gigantic hole. Unfortunately, I.R. has come over as well, along with his obsession to fill up every single hole in the world.

Traveling by Whale, Weasel and I.R. set sail to find a giant octopus.

Weasel and Baboon are troops enlisted in the U.S Ground Force and must rescue a lone kitty stuck in a tree.

Doctors Weasel and I.R. shrink themselves in order to perform an operation, which is to repair a crack in The Red Guy’s butt cheek.

Weasel and I.R. (now both senior citizens) look back upon their memories.

Weasel attends I.R.’s wedding, only to find that the bride hasn’t shown up yet.

Weasel’s theory on monkeys typing Shakespeare goes wrong when almost every monkey involved walks out on him. However, he sees hope in the form of I.R. Baboon, who writes a book entitled “A Troo Storee”, despite the fact that it lowers peoples’ I.Q. level.

Weasel creates a device that controls peoples’ sleeping patterns, and decides to use it in order to help give the public their ability to dream again.

I.R. is running a failing plant stall and attempts to do a better job by selling a rare thistle from a nearby plant museum.

Weasel tries to settle a dispute between a group of trees and those that hurt them (notably I.R. Baboon).

Weasel and I.R. are in search of a legend known as Big Butt, which later happens to be The Red Guy.

Weasel and I.R. travel to the Moon to create a new form of living, through oxygen, cities and plants.

Based on the true story of The Wright Brothers, The Red Guy narrates a documentary about The Wright Bros. and the Rong Bros. (Weasel and I.R.), competing to see who could invent the first plane.

Based on Cinderella, Cinder-Weasel tries to make it to the evening ball, despite the interference of his evil stepbrother, I.R. Baboon. He relies on the help from his fairy godfather (the Red Guy).

Both Weasel and I.R. end up in hospital after a collision course. However, a slight mix-up in the operation room leads to both having the other’s brain. This episode was originally meant to be the series finale, but the show was renewed for a second season.

Weasel and his guest spend some quality time together in Saskatchewan, Canada. Later, Weasel teaches I.R. about ice fishing.

Weasel and I.R. are vampires looking for some fun. What’s more, they get on well with the villagers. Later on the Red Guy (who’s a vampire hunter) tries to put steaks through their hearts.

Weasel tries to help provide a good source for people with a severe crying syndrome.

I.R. manages to get himself into a live ping-pong game against Weasel, but he gets disqualified because he used an egg as a ball.

I.R.’s organic pig farm causes an uproar in a city, leaving it up to Weasel to solve the problem.

Based on Batman, I.R. Baboon is the hero known as Baboon Man, whereas Weasel is his sidekick, Weasel Boy.

Best friends turned enemies, Weasel and I.R. look back to when they attended a camp where they were trained to become arch enemies.

I.R. gets a bike for Christmas. Learning of his inexperience, Weasel tries to help him.

Lance Sackless (The Red Guy) creates his own athletic games, with Weasel and I.R. as his only contestants.

Weasel earns a major role for a film that I.R. was after.

I.R. Baboon is jealous over his neighbor, Weasel, because he has a better life, job, and family (married to a beautiful Hispanic woman with half-weasel children) than him. However, when he’s invited over to Weasel’s house for a barbecue, I.R. tries to impress him with his own “family” (his pretend marriage to a pantsless woman, […]

Weasel is famous cowboy working in a rodeo in which Baboon is a clown. Cow and Chicken’s teacher and her husband appear in this episode. Cow also makes a guest appearance.

Uncle Breezybum (The Red Guy) tells a story about Weasel, I.R. and pixie fairie versions of the same characters.

Weasel and Baboon are cavemen living back in the prehistoric times, while Weasel tries to invent new products to create the future.

Weasel is an aircraft pilot, with I.R. as his co-pilot. Their job is to bring passengers upstream because of a dam, created by beavers, getting in the way. However, things go wrong when there’s too much weight aboard.

I.R. adopts a baby, but is soon given lessons in motherhood by Weasel. This episode had to be revised in 1999 to remove the letter “N” from I.R.’s helmet after a lawsuit from the University of Nebraska.

Weasel and I.R. are sent back to repeat the 4th Grade, in which they would go to the same school as Cow and Chicken.