Overview: As time runs out on a bomb designed to destroy the cave and the rest of the Greenhouse, the students in the gym must get past police to make a rescue.
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First Air Date: Sep 08, 2017Last Air date: Mar 20, 2020Season: 4 SeasonEpisode: 40 EpisodeRuntime: 30 minutesQuality: HDIMDb: 7.46 / 10 by 142 usersPopularity: 37.712Language: English