The Fantastic Four
Season 1, Episode 2: Diablo
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The Fantastic Four are lost in a Transylvanian forest while on vacation, and eventually come across an old castle. They are warned that the castle belongs to Diablo, an evil alchemist was was sealed away in the dungeon exactly 100 years ago.
All Episodes - Season 1
Episode 1
Menace of the Mole Men
Episode 2
Diablo
Episode 3
The Way It All Began
Episode 4
Invasion of the Super Skrulls
Episode 5
Klaws
Episode 6
The Red Ghost
Episode 7
Prisoners of Planet X
Episode 8
It Started on Yancy Street
Episode 9
Three Predictions of Dr. Doom
Episode 10
Behold a Distant Star
Episode 11
Demon of the Deep
Episode 12
Danger in the Depths
Episode 13
Return of the Moleman
Episode 14
Rama-Tut
Episode 15
Galactus
Episode 16
The Micro World of Dr. Doom
Episode 17
Blastaar, the Living Bomb-Burst
Episode 18
The Mysterious Molecule Man
Episode 19
The Terrible Tribunal
Episode 20
The Deadly Director