Overview:Cobra Commander believes a hidden city under the sea will make him rich, but both the Joes and Cobra find out it holds a more dangerous secret...
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First Air Date: Sep 12, 1983Last Air date: Jan 20, 1992Season: 4 SeasonEpisode: 139 EpisodeRuntime: 30:14 minutesQuality: HDIMDb: 3.388 / 10 by 67 usersPopularity: 315.562Language: en
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