Overview: When the roof of a cave below the Great Barrier Reef collapses and traps one of the Minus Five divers, the others have to work against time to rescue him.
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First Air Date: Feb 12, 1971Last Air date: Nov 05, 1971Season: 1 SeasonEpisode: 39 EpisodeRuntime: 30 minutesQuality: HDIMDb: 0.00 / 10 by 0 usersPopularity: 10.481Language: English