Aaahh!!! Real Monsters is an animated series created for Nickelodeon by Gábor Csupó and Peter Gaffney, running from October 30, 1994 to December 7, 1997. It centers on the young monsters Ickis, Oblina, and Krumm. They go to a school where they learn how to scare humans.
Don't Just Do It (S01E08a)
Spontaneously Combustible (S02E1a)
Krumm Gets the Dreaded Norlox
Krumm Rises to the Top (S02E12b)
When Krumm swallows a helium tank, it risks making him float away. Ickis also swallows a helium tank in order to help him and they apologize to each other and the helium wears off and his high-pitched voice lowers back to his normal voice.
Lifestyles of the Rich and Scary (S03E06b)
Internal Affairs (S04E12b)
Oblina becomes infected by a parasite named Sal who lives inside her. Sal makes Oblina eat a ton of garbage which helps him create his mansion while making Oblina fat at the same time. Ickis and Krumm have to shrink themselves and get Sal out of Oblina.