1 Tymor
26 Pennod
Fantastic Four: World's Greatest Heroes - Season 1 Episode 23
During a confrontation with Diablo, Johnny is exposed to a potion that makes him more powerful. Unfortunately, the potion also begins to turn him evil.
- Blwyddyn: 2007
- Gwlad: France, United States of America
- Genre: Animation, Action & Adventure, Sci-Fi & Fantasy, Kids
- Stiwdio: Cartoon Network
- Allweddair: superhero, based on comic, big city, family, apartment building, fantastic four
- Cyfarwyddwr: Craig Kyle, Christopher L. Yost
- Cast: Brian Dobson, Lara Gilchrist, Christopher Jacot, Hiro Kanagawa