Season 1

1. Struggle at the South Pole!

2. Battle At the Bottom of the World!

3. Sting of the Spider!

4. Return of the Spider!

5. Spider's Revenge!

6. The Secret Valley!

7. The Diamond Smugglers!

8. Dangerous Doctor Diamond!

9. Force of Terror!

10. World in Danger!

11. Badge of Danger!

12. The Smoke Robots!

13. The Freezer Ray!

14. The Magic Multiplier!

15. The Submarine Base!

16. Treasure Mountain!

17. The Mystery Missile!

18. The Giant Cobra!

19. The Great Hunt!

20. The Deadly Web!

21. The Atomic Flame!

22. The Incredible Speed Machine!

23. The Monster Magnet!

24. Target: Jupiter!

25. Trap At 20 Fathoms!

26. Monster of the Deep!

27. Will the REAL Gigantor Stand Up?

28. Ten Thousand Gigantors!

29. The Plot to Seize Gigantor!

30. The Space Submarine!

31. Gigantor Who?

32. The Robot Olympics!

33. The Crossbones Caper!

34. Ransom At Point X!

35. The Gypsy Spaceship!

36. The Space Cats!

37. Return of Magnaman!

38. Vanishing Mountain!

39. The Insect Monsters!

40. The City Smashers!

41. The Robot Firebird!

42. Magnaman of Outer Space!

43. The Robot Albatross!

44. Battle of the Robot Giants!

45. The Deadly Sting Rays!

46. Gigantor and the Desert Fire!

47. The Atomic Whale!

48. The Secret Formula Robbery!

49. The Evil Robot Brain!

50. The Devil Gantry!

51. The Robot Arsenal!

52. Danger's Dinosaurs!