15 Underrated Sci-Fi TV Shows You Should Be Streaming Now

13. Sealab 2021

Dollhouse TV
Adult Swim

AdultSwim's Sealab 2021 is an animated series that re-uses the characters and settings of the 1970s show Sealab 2020, relentlessly parodying the original show and other children's tv shows of the time.

In typical Adult Swim fashion, the original animation is re-purposed with new dialogue to create an ensemble of ridiculous characters caught up in even more ridiculous situations. The voice acting is top-notch, the comic timing is impeccable and the classic sci-fi tropes are totally on point.

Whilst it's a complete and utter parody, Sealab 2021 has that old-school b-movie charm and the classic Hanna-Barbera animation is a wonderful nostalgia trip for those who grew up on re-runs of shows like The Jetsons or The Flintstones.

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Christopher is a freelance pop culture writer, podcaster and self-confessed nerd from Scotland. He's also the owner, founder and editor at "The Head Scratcher" and a host of "The Scratch Cast" podcast. Visit www.theheadscratcher.com to find out more.