Season 1
Episodes
1 Menace of the Black Manta Sep 9, 1967
2 The Rampaging Reptile Men Sep 9, 1967
3 The Return of Nepto Sep 16, 1967
4 The Fiery Invaders Sep 16, 1967
5 The Sea Raiders Sep 23, 1967
6 War of the Water Worlds Sep 23, 1967
7 The Volcanic Monster Sep 30, 1967
8 The Crimson Monster From The Pink Pool Sep 30, 1967
9 The Ice Dragon Oct 7, 1967
10 The Deadly Drillers Oct 7, 1967
11 Vassa, Queen of the Mermen Oct 14, 1967
12 The Microscopic Monsters Oct 14, 1967
13 The Onslaught of the Octomen Oct 21, 1967
14 Treacherous Is the Torpedoman Oct 21, 1967
15 The Satanic Saturnians Oct 28, 1967
16 The Brain, the Brave, and the Bold Oct 28, 1967
17 Where Lurks the Fisherman Nov 4, 1967
18 Mephisto's Marine Marauders Nov 4, 1967
19 The Trio of Terror Nov 11, 1967
20 The Torp, The Magneto, and The Claw Nov 11, 1967
21 Goliaths Of The Deep Sea Gorge Nov 18, 1967
22 The Sinister Sea Scamp Nov 18, 1967
23 The Devil Fish Nov 25, 1967
24 The Sea Scavengers Nov 25, 1967
25 In Captain ‘Cuda's Clutches Dec 2, 1967
26 The Mirror Man From Planet Imago Dec 2, 1967
27 The Sea Sorcerer Dec 9, 1967
28 The Sea Snares Of Captain Sly Dec 9, 1967
29 The Undersea Trojan Horse Dec 16, 1967
30 The Vicious Villainy Of Vassa Dec 16, 1967
31 Programmed For Destruction Dec 23, 1967
32 The War Of The Quatix And The Bimphabs Dec 23, 1967
33 The Stickmen Of Stygia Dec 30, 1967
34 Three Wishes To Trouble Dec 30, 1967
35 The Silver Sphere Jan 6, 1968
36 To Catch A Fisherman Jan 6, 1968