Season
- Season 1 1967-09-09
Episode
- 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
Fantastic Four Season 1 Danger in the Depths
The first animated series based on Marvel's comic book series Fantastic Four.
