Japan Sinks
Season 1, Episode 9: Mystery of the Undersea Cave
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All Episodes - Season 1
Episode 1
The Raging Sea
Episode 2
Undersea Torrent
Episode 3
White Fissure
Episode 4
When the Sea Turns Violent
Episode 5
The Island is Sinking
Episode 6
The Earth Wails in Sorrow
Episode 7
A Black Tornado, the Fang of the Sky
Episode 8
The Furious Stream
Episode 9
Mystery of the Undersea Cave
Episode 10
The Aso Firefall
Episode 11
An Aurora Over Kyoto!!
Episode 12
Kyoto is in Danger
Episode 13
Kyoto Crumbles
Episode 14
Love of Tomorrow
Episode 15
The Oil Platform Explodes
Episode 16
Kagoshima Bay SOS!
Episode 17
Amakusa Vanished!
Episode 18
Crisis Approaches Ogouchi Dam
Episode 19
Farewell, Hakodate
Episode 20
Hokkaido Sinks
Episode 21
Flame Spreads Through Izu Oshima
Episode 22
The Japanese Islands Break Apart
Episode 23
Kamakura Disappeared into the Sea
Episode 24
Get Out, People of Tokyo
Episode 25
Ah! Tokyo is Sinking
Episode 26
Tokyo's Final Day