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Season 1 - Sep. 29, 2013
Season 2 - Jul. 13, 2014
Season 3 - Jul. 12, 2015
Season 4 - Sep. 11, 2016

Masters of Sex Season 4 Episode 2
HD
Overview:
Masters and Johnson turn to new partners in an effort to put the past behind them and focus on their expanding clinic. Given their fractured triangle, Libby reevaluates her relationship with Bill and Virginia.