Overview: While marking underwater sites for demolition by a construction company, Mike learns that a young boy is trapped in a submerged grotto that has already been mined with an explosive.
Watch Trailer
First Air Date: Jan 04, 1958Last Air date: Sep 23, 1961Season: 4 SeasonEpisode: 155 EpisodeRuntime: 30 minutesQuality: HDIMDb: 6.50 / 10 by 15 usersPopularity: 59.75Language: English