Japan Sinks
Season 1 • Episode 9 — Mystery of the Undersea Cave
Long-form adaptation of previous year's movie; due to a sudden tectonic shift, the country of Japan starts sinking.
Seasons & Episodes
1The Raging Sea2Undersea Torrent3White Fissure4When the Sea Turns Violent5The Island is Sinking6The Earth Wails in Sorrow7A Black Tornado, the Fang of the Sky8The Furious Stream9Mystery of the Undersea Cave10The Aso Firefall11An Aurora Over Kyoto!!12Kyoto is in Danger13Kyoto Crumbles14Love of Tomorrow15The Oil Platform Explodes16Kagoshima Bay SOS!17Amakusa Vanished!18Crisis Approaches Ogouchi Dam19Farewell, Hakodate20Hokkaido Sinks21Flame Spreads Through Izu Oshima22The Japanese Islands Break Apart23Kamakura Disappeared into the Sea24Get Out, People of Tokyo25Ah! Tokyo is Sinking26Tokyo's Final Day