- Just the commercials for the short alone could terrify the young generation of that time.
- The intro. Hey! Mickeys got a new short! Looks like itll be fuHOLY SHIT WHAT THE FUCK JUST RIPPED THE TITLE CARD OFF?
- Dr. Frakenollie's death, when Mickey as the monster picks up his charred body after the experiment, his skin disintegrates revealing a skeleton, then the skeleton disintegrates.
- The appearance of Julius in Mickey's body. Just the fact that he is a monster inside a beloved cartoon icon's body is enough to scare some kids.
- Julius in his own body, a hulking giant with More Teeth than the Osmond Family, looks pretty terrifying too.
Nightmare Fuel / Runaway Brain