Sealab 2020
Debut: January 01, 1972
Ended: January 01, 1972

This was an animated Hanna-Barbera series. The environmentally themed series was about an underwater research base that encountered various under-sea problems. It ran on NBC in 1972 and was canceled after only thirteen half-hour episodes. It was later revamped into the television series Sealab 2021 that currently airs on [adult swim].

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