Somewhere out in the deep space live the Herculoids. Humanoid Zandor, along with his wife Tara and son Dorno, lead a group of unique creatures: Zok the flying dragon, powerful simian Igoo, rhinoceros hybrid Tundro and two protoplasmic wonders named Gloop and Gleep. Together, they use their diverse super strengths to defend their utopian planet against attack from sinister invaders.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | The Mutoids | 1967-09-09 | 10 min |
| Season 1 | Episode 2 | The Gladiators of Kyanite | 1967-09-09 | 10 min |
| Season 1 | Episode 3 | The Antidote | 1967-09-16 | 10 min |
| Season 1 | Episode 4 | Attack From Space | 1967-09-16 | 10 min |
| Season 1 | Episode 5 | Defeat of Ogron | 1967-09-23 | 10 min |
| Season 1 | Episode 6 | Destroyer Ants | 1967-09-23 | 10 min |
| Season 1 | Episode 7 | Mekkano, The Machine Master | 1967-09-30 | 10 min |
| Season 1 | Episode 8 | Prisoners of the Bubblemen | 1967-09-30 | 10 min |
| Season 1 | Episode 9 | The Android People | 1967-10-07 | 10 min |
| Season 1 | Episode 10 | The Crystalites | 1967-10-07 | 10 min |
| Season 1 | Episode 11 | The Pirates | 1967-10-14 | 10 min |
| Season 1 | Episode 12 | The Pod Creatures | 1967-10-14 | 10 min |
| Season 1 | Episode 13 | The Spider Man | 1967-10-21 | 10 min |
| Season 1 | Episode 14 | The Island of the Gravites | 1967-10-21 | 10 min |
| Season 1 | Episode 15 | Tiny World of Terror | 1967-10-28 | 10 min |
| Season 1 | Episode 16 | Mission of the Amatons | 1967-10-28 | 10 min |
| Season 1 | Episode 17 | Swamp Monster | 1967-11-04 | 10 min |
| Season 1 | Episode 18 | The Lost Dorgyte | 1967-11-04 | 10 min |
| Season 1 | Episode 19 | Temple of Trax | 1967-11-11 | 10 min |
| Season 1 | Episode 20 | Mekkor | 1967-11-11 | 10 min |
| Season 1 | Episode 21 | Queen Skorra | 1967-11-18 | 10 min |
| Season 1 | Episode 22 | The Raiders | 1967-11-18 | 10 min |
| Season 1 | Episode 23 | Malak and the Metal Apes | 1967-11-25 | 10 min |
| Season 1 | Episode 24 | The Mole Men | 1967-11-25 | 10 min |
| Season 1 | Episode 25 | Return of Sta-Lak | 1967-12-02 | 10 min |
| Season 1 | Episode 26 | The Time Creatures | 1967-12-02 | 10 min |
| Season 1 | Episode 27 | Attack of the Faceless People | 1967-12-09 | 10 min |
| Season 1 | Episode 28 | Revenge of the Pirates | 1967-12-09 | 10 min |
| Season 1 | Episode 29 | Laser Lancers | 1967-12-16 | 10 min |
| Season 1 | Episode 30 | Sarko the Arkman | 1967-12-16 | 10 min |
| Season 1 | Episode 31 | The Beaked People | 1967-12-23 | 10 min |
| Season 1 | Episode 32 | The Zorbots | 1967-12-23 | 10 min |
| Season 1 | Episode 33 | Invasion of the Electrode Men | 1967-12-30 | 10 min |
| Season 1 | Episode 34 | Ruler of the Reptons | 1967-12-30 | 10 min |
| Season 1 | Episode 35 | The Raider Apes | 1968-01-06 | 10 min |
| Season 1 | Episode 36 | The Return of Torrak | 1968-01-06 | 10 min |
