Season 4
196138 EpisodesAction & Adventure, Drama
Episode Guide
Mike finds himself trapped inside a "scubasphere" when the cable attached to it snaps.
Season 4 FAQs
The cast of Season 4 includes Lloyd Bridges as Mike Nelson.
Season 4 was released on 07 Jan 1961.
Season 4 has 3 seasons and 38 episodes on Fanbiz. Available seasons include Season 1, Season 2, and Season 3.