Season 1

1. The Raging Sea

1974-10-06

A submarine crew sees bizarre tectonic activity below and rises to the surface to find disasters are beginning.

2. Undersea Torrent

1974-10-13

3. White Fissure

1974-10-20

4. When the Sea Turns Violent

1974-10-27

5. The Island is Sinking

1974-11-03

6. The Earth Wails in Sorrow

1974-11-10

7. A Black Tornado, the Fang of the Sky

1974-11-17

8. The Furious Stream

1974-11-24

9. Mystery of the Undersea Cave

1974-12-01

10. The Aso Firefall

1974-12-08

11. An Aurora Over Kyoto!!

1974-12-15

12. Kyoto is in Danger

1974-12-22

13. Kyoto Crumbles

1974-12-29

14. Love of Tomorrow

1975-01-05

15. The Oil Platform Explodes

1975-01-12

16. Kagoshima Bay SOS!

1975-01-19

17. Amakusa Vanished!

1975-01-26

18. Crisis Approaches Ogouchi Dam

1975-02-02

19. Farewell, Hakodate

1975-02-09

20. Hokkaido Sinks

1975-02-16

21. Flame Spreads Through Izu Oshima

1975-02-23

22. The Japanese Islands Break Apart

1975-03-02

23. Kamakura Disappeared into the Sea

1975-03-09

24. Get Out, People of Tokyo

1975-03-16

25. Ah! Tokyo is Sinking

1975-03-23

26. Tokyo's Final Day

1975-03-30