Sealab 2020 - Season 1 - Eps 3: Green Fever
A red alert is signaled after a supply ship's concrete mooring, cast off during a hurricane, unwittingly strikes Sealab's control dome and splits a major section of the shell.
About Sealab 2020

Title: Sealab 2020
First Air Date: 1972-09-09
Last Air Date: 1972-12-02
Status: Ended
Rating: 6.8/10 (from 4 votes)
Language: EN
Seasons: 2
Total Episodes: 13
Network: NBC
Genres: Sci-Fi & Fantasy, Animation, Family, Kids
Production Companies: Hanna-Barbera Productions
Synopsis
Commanded by Captain Michael Murphy, Sealab is dedicated to the exploration of the seas and the protection of marine life. Among other things, the crew of Sealab faced such challenges as attacks from sharks and giant squids, potential environmental disasters, and threats to Sealab and marine life from shipping.
Cast

Pamelyn Ferdin

John Stephenson

Jerry Dexter

Ann Jillian

Ross Martin

Josh Albee

William Callaway