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 | Time | |
|---|---|---|
| 1 | The Pirates | 1967-09-09 |
| 2 | Sarko the Arkman | 1967-09-09 |
| 3 | The Pod Creatures | 1967-09-16 |
| 4 | Mekkor | 1967-09-16 |
| 5 | The Beaked People | 1967-09-23 |
| 6 | The Raiders | 1967-09-23 |
| 7 | The Mole Men | 1967-09-30 |
| 8 | The Lost Dargyte | 1967-09-30 |
| 9 | The Spider Men | 1967-10-07 |
| 10 | The Android People | 1967-10-07 |
| 11 | Defeat of Ogron | 1967-10-14 |
| 12 | Prisoners of the Bubblemen | 1967-10-14 |
| 13 | Mekkano, the Machine Master | 1967-10-21 |
| 14 | Tiny World of Terror | 1967-10-21 |
| 15 | The Gladiators of Kyanite | 1967-10-28 |
| 16 | Temple of Trax | 1967-10-28 |
| 17 | The Time Creatures | 1967-11-04 |
| 18 | The Raider Apes | 1967-11-04 |
| 19 | The Zorbots | 1967-11-11 |
| 20 | Invasion of the Electrode Men | 1967-11-11 |
| 21 | Destroyer Ants | 1967-11-18 |
| 22 | Swamp Monster | 1967-11-18 |
| 23 | Mission of the Amatons | 1967-11-25 |
| 24 | Queen Skorra | 1967-11-25 |
| 25 | Laser Lancers | 1967-12-02 |
| 26 | Attack of the Faceless People | 1967-12-02 |
| 27 | The Mutoids | 1967-12-09 |
| 28 | The Crystalites | 1967-12-09 |
| 29 | Return of Sta-Lak | 1967-12-16 |
| 30 | Revenge of the Pirates | 1967-12-16 |
| 31 | Ruler of the Reptons | 1967-12-23 |
| 32 | The Antidote | 1967-12-23 |
| 33 | Attack from Space | 1967-12-30 |
| 34 | The Return of Torrak | 1967-12-30 |
| 35 | The Island of the Gravites | 1968-01-06 |
| 36 | Malak and the Metal Apes | 1968-01-06 |
