About this season
Long-form adaptation of previous year's movie; due to a sudden tectonic shift, the country of Japan starts sinking.
Episodes (26)
1. The Raging Sea
Aired 6 October 1974
A submarine crew sees bizarre tectonic activity below and rises to the surface to find disasters are beginning.
2. Undersea Torrent
Aired 13 October 1974
3. White Fissure
Aired 20 October 1974
4. When the Sea Turns Violent
Aired 27 October 1974
5. The Island is Sinking
Aired 3 November 1974
6. The Earth Wails in Sorrow
Aired 10 November 1974
7. A Black Tornado, the Fang of the Sky
Aired 17 November 1974
8. The Furious Stream
Aired 24 November 1974
9. Mystery of the Undersea Cave
Aired 1 December 1974
10. The Aso Firefall
Aired 8 December 1974
11. An Aurora Over Kyoto!!
Aired 15 December 1974
12. Kyoto is in Danger
Aired 22 December 1974
13. Kyoto Crumbles
Aired 29 December 1974
14. Love of Tomorrow
Aired 5 January 1975
15. The Oil Platform Explodes
Aired 12 January 1975
16. Kagoshima Bay SOS!
Aired 19 January 1975
17. Amakusa Vanished!
Aired 26 January 1975
18. Crisis Approaches Ogouchi Dam
Aired 2 February 1975
19. Farewell, Hakodate
Aired 9 February 1975
20. Hokkaido Sinks
Aired 16 February 1975
21. Flame Spreads Through Izu Oshima
Aired 23 February 1975
22. The Japanese Islands Break Apart
Aired 2 March 1975
23. Kamakura Disappeared into the Sea
Aired 9 March 1975
24. Get Out, People of Tokyo
Aired 16 March 1975
25. Ah! Tokyo is Sinking
Aired 23 March 1975
26. Tokyo's Final Day
Aired 30 March 1975