Overview: A tropical seaweed that escaped from an aquarium is endangering sea life in the Mediterranean and has gone on to infect the California coast.
Watch Trailer
First Air Date: Feb 04, 1964Last Air date: Jul 14, 2022Season: 60 SeasonEpisode: 1161 EpisodeRuntime: 60 minutesQuality: HDIMDb: 7.40 / 10 by 27 usersPopularity: 97.833Language: English