Season 1

1. Visitors From the Darkness

2. Chosen Warrior

3. Rejection of Bone

4. Warrior's Resolution

5. Majin Descends

6. Believe in Yourself

7. Bone Research Facility

8. Invaders

9. Intense Resonance

10. A Daily Life Worth Protecting

11. The Primordial Majin

12. Dragon's Rampage

13. True Strength

14. Shark's Rampage

15. Shaken Destiny

16. Will of Steel

17. Gentle Big Brother

18. Stray Cats and Stray Dogs

19. Iron Bone

20. The Shadow of the Traitors

21. Three of Iron

22. Dragon's Awakening

23. Family Portrait

24. Unstoppable Urge

25. Cerberus

26. The Brothers' Past

27. Stirring Ambition

28. Coup d'Etat

29. To Nepos!

30. Wyvern vs. Cerberus

31. Aid from Space

32. The Truth of 12 Years Ago

33. Being a Family

34. Ouroboros Descends

35. Pride of the Eques

36. Rare Metal Bone

37. The Mystery of Rare Metal

38. As a Warrior of Nepos

39. Cerberus, to Earth!

40. Melbourne Raid

41. And come in come the way, the way to walk

42. Quiet Passion

43. Despair in Place of Hope

44. Majin, Once More

45. Wriggling Desires

46. Unchanging Strength

47. Forbidden Memory

48. Roar of Treason

49. Wolf and Tiger

50. The Joining of the End

51. The Beginning of the End

52. Somewhere to Return