![](https://image.tmdb.org/t/p/w342/7Gs6U8s0wTcf4DpS2nK4kM4q17W.jpg)
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Atlantis survivor Mark Harris breathes underwater, withstands extreme depth pressures and wields superhuman strength.
First Air Date : Sep 22, 1977
Last Air date : Jun 06, 1978
Episode : 13 Episode
Season : 1 Season
Runtime: 90 minutes
Studio: NBC
Country: United States of America