Season 1
Episodes
1 The Heat Thing/ The Worm People/ Zorak Oct 9, 1966 
2 The Lizard Slavers / The Moss Men / The Web Sep 17, 1966 
3 Creature King/ The Treemen/ The Sandman Sep 24, 1966 
4 The Evil Collector / The Fire God / The Drone Oct 1, 1966 
5 Homing Device / The Mighty Snow Creature /The Robot Master Oct 8, 1966 
6 The Iceman / The Wolf People / Hi-Jackers Oct 15, 1966 
7 The Energy Monster / Valley of the Giants / The Lure Oct 22, 1966 
8 The Cyclopeds / The Ant Warriors / The Schemer Oct 29, 1966 
9 Lokar - King of the Killer Locusts / The Bird Riders / Space Sargasso Nov 5, 1966 
10 Brago / Giant Ants / Revenge of the Spider Woman Nov 12, 1966 
11 Attack of the Saucer Crab / The Rock Pygmies / Space Birds Nov 19, 1966 
12 The Time Machine / Danger River / Nightmare Planet Nov 26, 1966 
13 Space Armada / The Vampire Men / The Challenge Dec 3, 1966 
14 Jungle Planet / The Terrible Chase / Ruler of the Rock Robots Dec 10, 1966 
15 Glasstor / The Sacrifice / The Space Ark Dec 17, 1966 
16 The Sorcerer / The Marksman / The Space Piranhas Dec 24, 1966 
17 The Ovens of Moltor / The Spear Warriors / Transor - The Matter Mover Dec 31, 1966 
18 The Gargoyloids / Marooned / The Looters Jan 7, 1967 
19 The Meeting / Clutches of Creature King / The Deadly Trap Sep 9, 1967 
20 The Molten Monsters of Moltar / Two Faces of Doom / The Final Encounter Sep 16, 1967