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The Worst Episodes of Masters of Sex

Every episode of Masters of Sex ranked from worst to best. Explore the Worst Episodes of Masters of Sex!

Worst episode
S3E7 Monkey Business
7.1393 votes
Best episode
S2E3 Fight
8.71,019 votes
Top season
Season 1
8.2avg
Binge time
1d 22h
46 episodes

Seasons4

Episode Rankings

  1. #1 Worst Episode
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    Masters of Sex Season 3 Episode 7 - Monkey Business
    7.1/10(393 votes)
    S3:E7

    Masters and Johnson are interviewed as they take on an exotic new patient.

    Director:Adam Arkin
    Writer:Unknown

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  2. Masters of Sex Season 3 Episode 9 - High Anxiety
    7.3/10(380 votes)
    S3:E9

    Masters continues his surrogacy program, now under Johnson's critical eye.

    Director:Dan Attias

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  3. Masters of Sex Season 3 Episode 3 - The Excitement of Release
    7.5/10(423 votes)
    S3:E3

    Masters and Johnson look to capitalize on their burgeoning fame.

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  4. Masters of Sex Season 3 Episode 2 - Three's a Crowd
    7.6/10(439 votes)
    S3:E2

    Masters takes on a high profile patient. Virginia and Libby come to terms.

    Director:Dean Perisot

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  5. Masters of Sex Season 3 Episode 8 - Surrogates
    7.6/10(388 votes)
    S3:E8

    Johnson jets away with Dan Logan. Masters begins his surrogacy program.

    Writer:Unknown

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  6. Masters of Sex Season 4 Episode 7 - In To Me You See
    7.6/10(312 votes)
    S4:E7

    Masters looks to groom Art as his protege in a new area of research as Johnson does her best to keep Nancy at arm's length. Betty seeks an unlikely source for assistance in her fight for equal rights to Helen's baby.

    Director:Michael Apted
    Writer:Unknown

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  8. Masters of Sex Season 1 Episode 2 - Race to Space
    7.7/10(1005 votes)
    S1:E2

    On the heels of Masters’ proposal that they participate in the sexual response study, Johnson considers the best course of action to keep her job – only to find she no longer has one. The study has been forced out of the hospital and Masters believes Johnson is to blame. As Johnson fights to save her job and struggles to care for her kids, Masters moves his study to a brothel. But Masters soon discovers that the chaos of the cathouse is unmanageable without Johnson’s help.

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  9. Masters of Sex Season 2 Episode 8 - Mirror, Mirror
    7.7/10(506 votes)
    S2:E8

    Masters privately treats a couple for infertility, without revealing his relationship to them. Johnson realizes her work with Masters can be used to help people suffering from sexual dysfunction - but quickly gets in over her head when she attempts to treat Barbara Sanderson on her own. Libby is unnerved after witnessing a hate crime that is then whitewashed by the police.

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  10. Masters of Sex Season 3 Episode 4 - Undue Influence
    7.7/10(402 votes)
    S3:E4

    Masters seeks unexpected advice. Virginia is distracted by news of Henry.

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  11. Masters of Sex Season 3 Episode 6 - Two Scents
    7.7/10(396 votes)
    S3:E6

    Masters and Johnson take on a famous couple hoping to renew their sex life.

    Writer:Unknown

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  12. Masters of Sex Season 3 Episode 10 - Through a Glass, Darkly
    7.7/10(386 votes)
    S3:E10

    Johnson objects to Masters' program following missteps in the protocol.

    Director:Jeremy Webb
    Writer:Unknown

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  13. Masters of Sex Season 4 Episode 1 - Freefall
    7.7/10(370 votes)
    S4:E1

    In the wake of their fallout, Masters and Johnson search for purpose in a world without one another and look to work as their personal lives crash down around them. Libby finds herself alone for the first time since her marriage and discovers some unexpected allies. Season premiere.

    Director:Colin Bucksey
    Writer:Unknown

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  14. Masters of Sex Season 4 Episode 2 - Inventory
    7.7/10(340 votes)
    S4:E2

    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.

    Director:Jeremy Webb
    Writer:Unknown

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  15. Masters of Sex Season 4 Episode 3 - The Pleasure Protocol
    7.7/10(329 votes)
    S4:E3

    Masters and Johnson adjust to new partners, but their respective cases have them second-guessing the instinct to remain separated. A romantic prospect pushes Libby to embrace life as a newly single woman of the sexual revolution.

    Director:Adam Arkin
    Writer:Unknown

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  16. Masters of Sex Season 2 Episode 2 - Kyrie Eleison
    7.8/10(581 votes)
    S2:E2

    Masters begins a new job at Memorial Hospital under Betty's extortion terms only to discover that his boss insists he leave Virginia behind in favor of a handpicked secretary. Meanwhile, Johnson is torn between pressing Masters to rehire her and staying by DePaul's side as her condition worsens.

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  17. Masters of Sex Season 1 Episode 3 - Standard Deviation
    7.9/10(920 votes)
    S1:E3

    Masters and Johnson continue their research in the brothel but skewed data confirms that Masters must get the study back into the hospital. At the hospital, Johnson is surprised to learn that a distinguished new doctor on the OB/GYN floor is a woman who has no interest in female solidarity. Meanwhile, Libby struggles to conceive and Dr. Ethan Haas gets the case of a lifetime – a woman pregnant with quadruplets.

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  18. Masters of Sex Season 2 Episode 1 - Parallax
    7.9/10(691 votes)
    S2:E1

    Masters deals with the ramifications of his disastrous presentation and being fired from the hospital. Meanwhile, Libby urges Masters to get another job; and Virginia fights off advances and innuendos stemming from the belief that she was the woman in Master's explicit film.

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  19. Masters of Sex Season 2 Episode 4 - Dirty Jobs
    7.9/10(563 votes)
    S2:E4

    Langham observes Masters and Johnson exiting a hotel room and shares his suspicions with DePaul, who is forced to make plans for her work without Virginia's involvement. Meanwhile, Betty attempts to conceal her infertility from Gene; and Masters tries to bring Johnson aboard as his assistant only to be thwarted by the head of the hospital, who takes a prurient interest in Masters' study.

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  20. Masters of Sex Season 2 Episode 7 - Asterion
    7.9/10(534 votes)
    S2:E7

    In the wake of Masters' discovery that Johnson has continued to have romantic relationships with other men, he becomes impotent without her knowledge and cuts off their sexual work together. He tries to keep his new clinic solvent over the course of three years by borrowing against his house, offering medical services to the hotel - and finally accepting money from his mother.

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  21. Masters of Sex Season 3 Episode 1 - Parliament of Owls
    7.9/10(485 votes)
    S3:E1

    Masters and Johnson face the press for the first time.

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  22. Masters of Sex Season 2 Episode 9 - Story of My Life
    7.9/10(483 votes)
    S2:E9

    Virginia continues to impersonate a patient's case history in order to glean advice from a psychiatrist. Betty and Masters' attempt to remedy Lester's impotence by hiring a prostitute rattles him even further. Libby gets the third degree when she offers her eyewitness testimony regarding the beaten man. And Barbara Sanders wrestles with an unsettling diagnosis that exposes a chain of secrets and causes Masters and Johnson to clash over their treatment strategy.

    Director:Jeremy Webb

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  23. Masters of Sex Season 4 Episode 10 - The Eyes of God
    7.9/10(355 votes)
    S4:E10

    Masters and Johnson work to save the practice from disintegrating in the face of insurrection within the clinic. As everyone in their lives either moves on or falls away, Bill and Virginia find solace in one another. Season finale.

    Director:Michael Apted
    Writer:Unknown

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  24. Masters of Sex Season 4 Episode 9 - Night and Day
    7.9/10(320 votes)
    S4:E9

    Masters and Johnson return from Topeka, each grappling with the trip's ramifications. Art and Nancy look to tie up loose ends in order to have a fresh start, and Libby embarks on a road trip with Bram that changes her perspective.

    Director:Karyn Kusama
    Writer:Unknown

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  25. Masters of Sex Season 2 Episode 10 - Below the Belt
    8.0/10(502 votes)
    S2:E10

    Masters learns of a rival study and calls in a public relations expert to help brand his work with Johnson. Virginia, having finally learned of Masters' sexual difficulties, is invigorated by the prospect of finding a cure. Determined to prove her worth to Robert, Libby canvases a tenement for a rent strike. Plus, Langham is stunned when Flo informs him that he has to have sex with her in order to keep his job. And Barbara and Lester connect over their shared sexual dysfunctions.

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  26. Masters of Sex Season 2 Episode 5 - Giants
    8.0/10(549 votes)
    S2:E5

    Masters continues to break new ground by continuing his study as the only white physician in a Negro hospital but at the cost of his gynecology practice. Libby is confronted by Coral's boyfriend, Robert, over her poor treatment of Coral, Betty reunites with her former lover, and Johnson struggles to right her relationship with DePaul - who is newly aware of Johnson's ongoing affair with Masters.

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Worst Episodes Summary

"Monkey Business" is the worst rated episode of Masters of Sex. It scored 7.1/10 from 393 votes. Directed by Adam Arkin and written by Unknown, it aired on August 23, 2015. This episode scored 0.2 points lower than the second lowest rated, "High Anxiety".

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