1x1 - The Raging Sea

October 6, 1974

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

1x2 - Undersea Torrent

October 13, 1974

1x3 - White Fissure

October 20, 1974

1x5 - The Island is Sinking

November 3, 1974

1x6 - The Earth Wails in Sorrow

November 10, 1974

1x7 - A Black Tornado, the Fang of the Sky

November 17, 1974

1x8 - The Furious Stream

November 24, 1974

1x9 - Mystery of the Undersea Cave

December 1, 1974

1x10 - The Aso Firefall

December 8, 1974

1x11 - An Aurora Over Kyoto!!

December 15, 1974

1x12 - Kyoto is in Danger

December 22, 1974

1x13 - Kyoto Crumbles

December 29, 1974

1x14 - Love of Tomorrow

January 5, 1975

1x15 - The Oil Platform Explodes

January 12, 1975

1x16 - Kagoshima Bay SOS!

January 19, 1975

1x17 - Amakusa Vanished!

January 26, 1975

1x18 - Crisis Approaches Ogouchi Dam

February 2, 1975

1x19 - Farewell, Hakodate

February 9, 1975

1x20 - Hokkaido Sinks

February 16, 1975

1x21 - Flame Spreads Through Izu Oshima

February 23, 1975

1x22 - The Japanese Islands Break Apart

March 2, 1975

1x23 - Kamakura Disappeared into the Sea

March 9, 1975

1x24 - Get Out, People of Tokyo

March 16, 1975

1x25 - Ah! Tokyo is Sinking

March 23, 1975

1x26 - Tokyo's Final Day

March 30, 1975