7.313 / 13 Sealab 2020 Sep. 09, 1972 Sealab 2020 IMDb: 7.3 1972 4788 views Watch Sealab 2020 full episode online free 9cartoon. Storyline: Cartoon adventure series that focused on a group of Oceanauts in their ... AdventureAnimationFamilySci-Fi & Fantasy