Overview: An accidental death puts Mike onto an espionage ring that is using an underwater cave for a microfilm drop site.
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First Air Date: Jan 04, 1958Last Air date: Sep 23, 1961Season: 4 SeasonEpisode: 155 EpisodeRuntime: 30 minutesQuality: HDIMDb: 6.50 / 10 by 15 usersPopularity: 63.662Language: English