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Students start disappearing at Wexler College, an institution started by a mad historian/architect who believed in alternate dimensions. When the Librarians arrive, they discover a young student from the physics department is investigating the bizarre occurrences on her own. Meanwhile, Cassandra gets an offer that's difficult to turn down.
First Air Date : Dec 07, 2014
Last Air date : Feb 07, 2018
Episode : 42 Episode
Season : 4 Season
Runtime: 48 minutes
Studio: TNT
Country: United States of America