- 4 Seasons
Sealab 2021 is an animated show that was run as part of Cartoon Network's Adult Swim block, which featured a number of shows that were not meant for children. Using original, stock footage of the old series Sealab 2020, Sealab 2021 shows the comedic downfall of the underwater lab that happen in the next year. Sealab 2021 doesn't have a running plot, and continuity isn't something the series was overly concerned with. Many episodes end with the destruction of the entire underwater city, only to have it back and in working order again in the next episode. The same thing happens with the deaths of several characters, who are alive and well in the next episode without explanation or, really, without any mention at all. Mostly the show focuses on parodying the original series, showing the professional frictions and absolute absurdities that were simply accepted in a cartoon produced in the year 1972.