This is the year 2020. The place is the Challenger Seamount, the top of an underwater mountain. A complex beneath the sea. 250 men, women and children live here, each of them a scientist pioneer. For this is our last frontier, a hostile environment which may hold the key to tomorrow. Each day, these oceanauts meet new challenges as they build their city beneath the sea. This is Sealab 2020.
Series Fun Facts
- Gail's pet Dolphin is named Tuffy.
- The last broadcast was on 1 September 1973.
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