Weasel creates a time machine that I.R. uses to go back in time, but Weasel discovers that I.R. is destined to solve all kind of problems at certain periods.

Weasel comes to investigate the world's largest hole, same hole I.R. tries to fill with cement.

Weasel and I.R. are sent to a correctional institute were everyone is forced to wear stupid corrective devices.

Weasel is the captain of his own comercial plane, and must take a bunch of people up a river with I.R. as his co-pilot.

Weasel and I.R. end up stranded on an island made entirely of confectionaries.

I.R. is captain of his own ship, until it bumps an iceberg and it starts sinking.

Weasel and Baboon are a pair of friendly vampires who drink only canned blood and are just looking for a fun little night on the town in Pantsylvania. But someone should try telling that to the vampire hunter Dr. von Smellstein, who's out to get our heroes!

I.R. is jealous of his neighbor Weasel because he has a better wife, kids job and house than him.

The trees decide to rebel against humans after I.R. chops one.

I.R. is getting married with a hyena, but it happens that she ran away with a German, hairless chihuahua.

A kid adopts Weasel and I.R. as his pet dogs.

Weasel tells his story to psiquiatrist Sigmund Fraud about his mishaps with I.R., at the same time I.R. is telling his own mishaps with Weasel in the room next door.