Masters of Sex
"Masters of Sex" has been canceled by Showtime, just weeks after the conclusion of its fourth season.

Deadline reports that the network declined to order a fifth season of the drama about pioneering sex researchers Dr. William Masters (Michael Sheen) and Virginia Johnson (Lizzy Caplan). "Masters of Sex" was developed by Michelle Ashford and based on Thomas Maier's biography of the same title.

Season 4 began in 1968 and followed the couple during the "swinging '70s" as they explored other relationships, both personal and professional. The season finale, however, brought Masters and Johnson back together as they got married.

As a "prestige drama," the show received modest ratings (an average of 800,000 viewers per episode), but more critical acclaim and awards nominations. Though "Masters of Sex" was never nominated in the Best Drama category at the Emmys, Allison Janney did win an Emmy for best guest actress.

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