S4 E4 ∙ Coats or Keys ∙

When Johnson, Masters, Libby, Betty, Lester and Keller wind up together at a swingers party thrown by Art and Nancy, pairings and perspectives change throughout the night.


Contains Strong Language, Mature Themes and Sexual Themes

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All episodes for series 4 of Masters of Sex

S4 E8 · Topeka

Masters and Johnson go on the road and pose as a couple at a competing clinic.