1972 Sealab 2020 Saturday Morning Cartoon

When I was a kid, one of my favorite shows on Saturday Morning was Sealab 2020. The incredible underwater adventures gave me hope for the future of mankind. This first episode, DEEP THREAT, originally aired on September 9, 1972. S1.E1 ∙ Deep Threat Sat, Sep 9, 1972
An earthquake spells danger for Sealab when the recurring mass of shock waves ruptures exposed canisters of radioactive waste. Sealab 2020 is an American animated television series produced by Hanna-Barbera Productions and broadcast on NBC from September 9 to December 2, 1972, on Saturday mornings. The series was created by Alex Toth, who also created such other Hanna-Barbera cartoons as Space Ghost and Birdman and the Galaxy Trio.