Season 1

1.Menace of the Black Manta

2.The Rampaging Reptile Men

3.The Return of Nepto

4.The Fiery Invaders

5.The Sea Raiders

6.War of the Water Worlds

7.The Volcanic Monster

8.The Crimson Monster From The Pink Pool

9.The Ice Dragon

10.The Deadly Drillers

11.Vassa, Queen of the Mermen

12.The Microscopic Monsters

13.The Onslaught of the Octomen

14.Treacherous Is the Torpedoman

15.The Satanic Saturnians

16.The Brain, the Brave, and the Bold

17.Where Lurks the Fisherman

18.Mephisto's Marine Marauders

19.The Trio of Terror

20.The Torp, The Magneto, and The Claw

21.Goliaths Of The Deep Sea Gorge

22.The Sinister Sea Scamp

23.The Devil Fish

24.The Sea Scavengers

25.In Captain ‘Cuda's Clutches

26.The Mirror Man From Planet Imago

27.The Sea Sorcerer

28.The Sea Snares Of Captain Sly

29.The Undersea Trojan Horse

30.The Vicious Villainy Of Vassa

31.Programmed For Destruction

32.The War Of The Quatix And The Bimphabs

33.The Stickmen Of Stygia

34.Three Wishes To Trouble

35.The Silver Sphere

36.To Catch A Fisherman