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Ultraseven
Season 1 · Episode 21
Pursue the Sea Bottom Base
0.025mFebruary 18, 1968
A cargo ship has gone missing at sea and the Ultra Guard are sent to investigate this newest disappearance.
Episodes
- Episode 1The Invisible Challenger
- Episode 2The Green Terror
- Episode 3The Secret of the Lake
- Episode 4Respond, Max
- Episode 5The Erased Time
- Episode 6Dark Zone
- Episode 7Alien Prisoner 303
- Episode 8The Targeted Town
- Episode 9Android Zero Directive
- Episode 10The Suspicious Neighbor
- Episode 11Fly to the Mountain of Evil
- Episode 12From Another Planet with Love
- Episode 13The Man Who Came From V3
- Episode 14The Ultra Garrison Goes West, Part 1
- Episode 15The Ultra Garrison Goes West, Part 2
- Episode 16The Eye That Shines in the Darkness
- Episode 17Underground Go! Go! Go!
- Episode 18Escape Space X
- Episode 19Project Blue
- Episode 20Destroy Earthquake Epicenter X
- Episode 21Pursue the Sea Bottom Base
- Episode 22The Human Farm
- Episode 23Search for Tomorrow
- Episode 24Return to the North!
- Episode 25Showdown at 140 Degrees Below Zero
- Episode 26Super Weapon R-1
- Episode 27Operation Cyborg
- Episode 28The 700 Kilometer Run!
- Episode 29The Forsaken Earthman
- Episode 30For Whom Takes the Glory
- Episode 31The Devil Who Dwells in a Flower
- Episode 32The Wandering Planet
- Episode 33The Dead Invaders
- Episode 34The Vanishing City
- Episode 35Horror on the Moon
- Episode 36The 0.1 Second Kill
- Episode 37The Stolen Ultra Eye
- Episode 38The Courageous Battle
- Episode 39The Seven Assassination Plan Part 1
- Episode 40The Seven Assassination Plan Part 2
- Episode 41The Challenge from the Water
- Episode 42Ambassador of the Nonmalt
- Episode 43Nightmare on Planet 4
- Episode 44The Terrifying Super-Simian
- Episode 45The Boy Who Cried Flying Saucer
- Episode 46The Duel: Dan vs. Seven
- Episode 47Who are You?
- Episode 48The Greatest Invasion in History Part 1
- Episode 49The Greatest Invasion in History Part 2