Overview: Reeling from loss, the heroes regroup; the heroes devise a new plan to track the Master through human collaborators, beginning at the blood farm with someone Dutch knows all too well.
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First Air Date: Jul 13, 2014Last Air date: Sep 17, 2017Season: 4 SeasonEpisode: 46 EpisodeRuntime: 44 minutesQuality: HDIMDb: 7.48 / 10 by 1805 usersPopularity: 91.465Language: English, Spanish