Masters of Sex

The BEST episodes of Masters of Sex

Every episode of Masters of Sex ever, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Masters of Sex!

The series chronicles the unusual lives, romance and pop culture trajectory of William Masters and Virginia Johnson. Their research touched off the sexual revolution and took them from a mid-western teaching hospital in St. Louis to the cover of Time magazine.

Last Updated: 9/12/2022Network:Showtime
Share:
Catherine
star
7.92
1831 votes

#1 - Catherine

Season 1 - Episode 5 - Aired 10/27/2013

When Masters and Johnson expand the study to include couples, they discover that the science of sex is easily complicated by the mystery of attraction. Johnson tries to connect with her son who prefers his dad. In anticipation of his baby’s impending arrival, Masters experiences anxiety about becoming a father. And Dr. Ethan Haas learns that dating the provost’s daughter could impact his medical career.

Directors: Michael Apted
Watch Now:AmazoniTunes
Manhigh
star
7.91
1287 votes

#2 - Manhigh

Season 1 - Episode 12 - Aired 12/15/2013

Masters’ work on human sexuality culminates with a hospital-wide presentation of his and Johnson’s research findings. But when Masters attempts to push the envelope with the external footage of the female orgasm, the doctors’ response to the film is not what he had hoped. Meanwhile, Haas entertains a job offer at UCLA Hospital and considers what a move would mean for his relationship with Virginia. Scully pursues electroshock treatment with the hope of curing his homosexuality but Margaret has second thoughts about the risks involved.

Directors: Michael Dinner
Watch Now:AmazoniTunes
Coats or Keys
star
7.89
673 votes

#3 - Coats or Keys

Season 4 - Episode 4 - Aired 10/2/2016

Johnson, Masters, Libby and Keller wind up together at a party thrown by Art and Nancy. Pairings and perspectives shift as the night wears on, until the light of day exposes the consequences of the evening.

Directors: Colin Bucksey
Writer: Amy Lippman
Watch Now:AmazoniTunes
Brave New World
star
7.89
1681 votes

#4 - Brave New World

Season 1 - Episode 6 - Aired 11/3/2013

In the aftermath of the miscarriage, Libby and Masters travel to Miami for some much needed rest and relaxation, but Masters is drawn back into his work by a sexually adventurous couple next door. Alone in the hospital, Virginia enlists Jane in an effort to debunk Freud’s theory that one kind of female orgasm is better than another. And Langham finds an unlikely cure for his sexual dysfunction in Margaret Scully.

Directors: Adam Davidson
Watch Now:AmazoniTunes
All Together Now
star
7.87
1587 votes

#5 - All Together Now

Season 1 - Episode 7 - Aired 11/10/2013

Masters and Johnson continue their sexual response study – now as participants – but Johnson fears their work may be interfering with Masters’ home life. Libby pressures Dr. Haas to resume her fertility treatments in secret. Meanwhile, Haas struggles to let go of feelings for Virginia as his relationship with Vivian deepens. And Margaret Scully, caught in her infidelity, confronts her husband on the mounting problems in their marriage.

Directors: Tim Fywell
Watch Now:AmazoniTunes
Topeka
star
7.86
655 votes

#6 - Topeka

Season 4 - Episode 8 - Aired 10/30/2016

Masters and Johnson go on the road and pose as a couple to investigate practices at a competing clinic. While Bill and Virginia are away, Art, Nancy and Langham take advantage of their absence to further their own agendas.

Watch Now:AmazoniTunes
Involuntary
star
7.82
1476 votes

#7 - Involuntary

Season 1 - Episode 9 - Aired 11/24/2013

When Masters and Johnson decide to film external reactions in the study, they must convince Lester and Jane that their footage won’t cross the line into pornography. Haas and Vivian’s plans for a Presbyterian church wedding are sidetracked when Haas reveals he’s Jewish. Libby keeps her pregnancy a secret from Masters and instead encourages him to mend his relationship with his mother. But during late night visits to the hospital, Estabrooks observes Masters and Johnson’s intimate relationship.

Watch Now:AmazoniTunes
Love and Marriage
star
7.79
1531 votes

#8 - Love and Marriage

Season 1 - Episode 8 - Aired 11/17/2013

Masters and Johnson decide that the best way to record their study findings is to film them, but to do so they have to enlist outside help. Johnson redoubles her efforts to get a college degree, only to find that Dr. DePaul’s Basic Anatomy class is a requirement. Meanwhile, Haas and Langham – both unsure in their relationships – convince each other of the merits of being a married man. And after Margaret catches him in a compromising position, Scully takes drastic steps to control his sexual impulses.

Directors: Michael Apted
Watch Now:AmazoniTunes
Family Only
star
7.78
685 votes

#9 - Family Only

Season 4 - Episode 6 - Aired 10/16/2016

Johnson looks to get her relationship with Masters back on track while Masters does his best to find satisfaction elsewhere. Betty and Helen ready themselves for a new addition; Art and Nancy discuss the consequences of their party.

Directors: Colin Bucksey
Writer: Seth Fisher
Watch Now:AmazoniTunes
Outliers
star
7.77
677 votes

#10 - Outliers

Season 4 - Episode 5 - Aired 10/9/2016

Johnson and Masters' troubles come to a head as the trial begins with Keller leading the charge. Virginia does her best to revive their career as Bill faces the reality of what the charges could mean for him, Johnson and the practice.

Directors: Eric Tignini
Watch Now:AmazoniTunes
Pilot
star
7.76
2966 votes

#11 - Pilot

Season 1 - Episode 1 - Aired 9/29/2013

Dr. William Masters, Washington University’s foremost OB/GYN, runs a successful medical practice by day and conducts a secret study of human sexuality by night. Former nightclub singer Virginia Johnson joins the hospital secretarial staff and proves herself to be an asset to Masters’ work.

Directors: John Madden
Watch Now:AmazoniTunes
Full Ten Count
star
7.74
705 votes

#12 - Full Ten Count

Season 3 - Episode 12 - Aired 9/27/2015

On the heels of their disastrous dinner in New York, Masters and Johnson return to find their life's work in jeopardy while under the scrutiny of the press and their publisher in preparation for their new book.

Directors: Michael Apted
Watch Now:AmazoniTunes
Phallic Victories
star
7.73
1336 votes

#13 - Phallic Victories

Season 1 - Episode 11 - Aired 12/8/2013

With Johnson no longer on his team, Masters accepts Libby’s offer to help compile the study work for a hospital-wide presentation. But when Masters sees another doctor’s presentation put his colleagues to sleep, he becomes determined to grab their attention even if it means pushing through provoking, but incomplete, research. Dr. DePaul and Johnson travel to a medical convention and DePaul opens up on why her work on the Pap smear is so important. And Virginia’s ex-husband George returns to find Ethan Haas playing father to his children.

Directors: Phil Abraham
Writer: Amy Lippman
Watch Now:AmazoniTunes
Thank You for Coming
star
7.73
1890 votes

#14 - Thank You for Coming

Season 1 - Episode 4 - Aired 10/20/2013

With the study back in the hospital, Masters and Johnson recruit new participants on campus. But Johnson is shocked when her ex-husband George, who’s crashing on her couch, wants to sign up. Masters’ mother comes to visit, but her new take on life stirs up painful memories of his childhood. And Libby’s attempt at playing matchmaker with Virginia and Ethan doesn’t go as smoothly as she’d hoped.

Writer: Amy Lippman
Watch Now:AmazoniTunes
Standard Deviation
star
7.71
2186 votes

#15 - Standard Deviation

Season 1 - Episode 3 - Aired 10/13/2013

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.

Writer: Sam Shaw
Watch Now:AmazoniTunes
Parliament of Owls
star
7.67
821 votes

#16 - Parliament of Owls

Season 3 - Episode 1 - Aired 7/12/2015

Masters and Johnson face the press for the first time.

Directors: Jeremy Webb
Watch Now:AmazoniTunes
Race to Space
star
7.67
2396 votes

#17 - Race to Space

Season 1 - Episode 2 - Aired 10/6/2013

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.

Directors: Michael Dinner
Watch Now:AmazoniTunes
The Eyes of God
star
7.66
677 votes

#18 - The Eyes of God

Season 4 - Episode 10 - Aired 11/13/2016

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. Series finale.

Directors: Michael Apted
Watch Now:AmazoniTunes
Blackbird
star
7.65
978 votes

#19 - Blackbird

Season 2 - Episode 6 - Aired 8/17/2014

After Hendricks bans Masters from using black participants in his study, Masters contacts a journalist to promote his efforts, using the debunking of sexual stereotypes as the lure. Johnson is forced to accept DePaul's choice to end her chemotherapy treatments. Gene uncovers the truth about Betty and Helen's relationship. Libby fires Coral after discovering she lied about Robert.

Directors: Keith Gordon
Writer: Eileen Myers
Watch Now:AmazoniTunes
Fight
star
7.64
1167 votes

#20 - Fight

Season 2 - Episode 3 - Aired 7/27/2014

Masters delivers a baby with ambiguous genitalia and urges the parents not to surgically assign the child a sex out of fear or convenience. Meeting Virginia at a hotel for a secret rendezvous, the two of them divide their attention between sexual role-play and a championship boxing match, prompting Virginia to unearth the truth of Masters'' troubled childhood.

Directors: Michael Apted
Writer: Amy Lippman
Watch Now:AmazoniTunes
Story of My Life
star
7.64
856 votes

#21 - Story of My Life

Season 2 - Episode 9 - Aired 9/7/2014

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.

Directors: Jeremy Webb
Writer: Amy Lippman
Watch Now:AmazoniTunes
Asterion
star
7.64
974 votes

#22 - Asterion

Season 2 - Episode 7 - Aired 8/24/2014

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.

Directors: Michael Dinner
Watch Now:AmazoniTunes
Party of Four
star
7.62
636 votes

#23 - Party of Four

Season 3 - Episode 11 - Aired 9/20/2015

Masters, Johnson, Logan and his wife gather in New York for a dinner in which agendas collide, truths are exposed and no relationship emerges unscathed. Back home, Libby faces an accusation that threatens her family's foundation.

Directors: Susanna White
Writer: Amy Lippman
Watch Now:AmazoniTunes
Fallout
star
7.60
1426 votes

#24 - Fallout

Season 1 - Episode 10 - Aired 12/1/2013

The hospital takes part in a nationwide civil defense drill, and the heightened atmosphere escalates conflicts among the staff. A former study participant reveals she’s pregnant and wants to know the identity of the father. Masters and Johnson, their relationship strained after ending their study participation, butt heads on whether to maintain study confidentiality or take responsibility. Haas learns he’s been denied a future job at the hospital but wrongly assumes his breakup with Vivian is to blame. Margaret Scully seeks answers about her husband’s sexuality from an unlikely source.

Writer: Sam Shaw
Watch Now:AmazoniTunes
The Revolution Will Not Be Televised
star
7.59
881 votes

#25 - The Revolution Will Not Be Televised

Season 2 - Episode 12 - Aired 9/28/2014

After watching an early cut of the documentary, Masters is disturbed by the portrayal of his work. Johnson's move to solidify her custody arrangement with George backfires. Finding justification in Masters' distraction, Libby continues her relationship with Robert. Langham discovers Flo's family's wealth and connections, causing him to re-evaluate his relationship with her. And after repeated testing of their protocol to cure impotence, Masters and Johnson feel they are ready to cure sexual dysfunction.

Directors: Adam Arkin
Watch Now:AmazoniTunes

Want to see the rest of the rankings?

Episode Ninja is a small business run by one person.
Pro memberships help fund servers and new feature development!