'''Sealab''' may refer to:
*[[SEALAB]] I, II and III, underwater habitats developed by the United States Navy *''[[Sealab 2020]]'', a Hanna-Barbera cartoon about an underwater research base that aired in 1972 in the United States *''[[Sealab 2021]]'', a parody of ''Sealab 2020'' broadcast on the Cartoon Network, first aired in 2000
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