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S2, E7: When the nuclear submarine 'Aquarius' crashes into Sea Mount, Captain Murphy and the crew of Sealab must prevent its reactor from overheating and exposing the ocean floor to deadly radiation.

S2, E7: When the nuclear submarine 'Aquarius' crashes into Sea Mount, Captain Murphy and the crew of Sealab must prevent its reactor from overheating and exposing the ocean floor to deadly radiation.