Overview:Tonight, the Tube takes on more than a thousand new staff but the newbies are joining a very different Underground, one that now faces a level of terror threat unknown in the past.
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First Air Date: Mar 21, 2016Last Air date: May 09, 2016Season: 1 SeasonEpisode: 8 EpisodeRuntime: 45:14 minutesQuality: HDIMDb: 2.7 / 10 by 3 usersPopularity: 2.39Language: en
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