The show takes us through the struggles of life as a child monster. 3 monster friends are studying how to scare humans in school. Often their attempts don't work out as planned.

[Krumm's hair disappears]
Ickis: Hey, Krumm, I think you're having a bad hair day.
Ickis: All those stories he told were really great, are they all true?
The Gromble: Of course they were all true, great monters never lie.
Ickis: Even the one about the shoe store?
The Gromble: No!
Ickis: But you just said
[The Gromble glares. Ickis laughs nervously]
Ickis: Well, maybe he, exaggerated a little...
Oblina: What is that noise?
Krumm: Maybe it's my stomach.
Oblina: Even your stomach is not that loud, Krumm.
Security Guard: Hey! No running in the mall! Darn dogs.
Ickis: [refering to the blob] And when he looks at us that way, you know he's thinking... breakfast, lunch and dinner.
Krumm: I wanna be dinner.
Ickis: [seeing fireworks] Wow, instant sky flowers. Boy, are they noisy!