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A surprising discovery leaves Alex reeling as he tries to adjust his theories in light of what he found at Philadelphia City Hall. Meanwhile, the Rezident questions Katya and Mark's dedication and Natalie discovers the dangers of Black Dagger.
First Air Date : Feb 05, 2015
Last Air date : Apr 30, 2015
Episode : 13 Episode
Season : 1 Season
Runtime: 45:14 minutes
Studio: NBC
Country: United States of America
