How many seasons does Masters of Sex have?

Masters of Sex has 4 seasons with 46 episodes.

What network is Masters of Sex on?

Masters of Sex airs on Paramount+ with Showtime.

When did Masters of Sex premiere?

Masters of Sex premiered on September 29, 2013.

Masters of Sex

Name: Masters of Sex
Genre: Drama, Romance, History
Rating: 7.3
Cast: Michael Sheen, Lizzy Caplan, Caitlin Fitzgerald, Annaleigh Ashford, Teddy Sears

7.3/10

Paramount+ with Showtime Ended Drama • Romance • History

4 Seasons · 46 Episodes · Premiered September 29, 2013 · Ended November 13, 2016

Masters of Sex is a drama that portrays the real-life pioneers of the science of human sexuality, William Masters and Virginia Johnson. The series chronicles the unusual lives, romance, and pop culture trajectory of Masters and Johnson. Their research touched off the sexual revolution and took them from a midwestern teaching hospital in St. Louis to the cover of Time magazine and nearly a dozen appearances on Johnny Carson's couch.

Where to Watch: Paramount+ with Showtime

Official Site

Next Air Time: No upcoming air date

Seasons & Episodes

Season 1

12 episodes

E01

Pilot

Mon, Sep 30 2013 2:00 AM GMT+0000 60 min

Dr. William Masters, a successful doctor of obstetrics and gynecology, begins his controversial study of human sexuality. Dr. Masters recruits Virginia Johnson to be his secretary, but she quickly advances to be a valuable associate.

E02

Race to Space

Mon, Oct 7 2013 2:00 AM GMT+0000 60 min

The Provost shuts down the research when he hears about the couples study and Masters is forced to move it elsewhere. Dr. Masters blames Virginia and fires her, but keeps her on until he can find a replacement.

E03

Standard Deviation

Mon, Oct 14 2013 2:00 AM GMT+0000 60 min

A woman pregnant with quadruplets comes to the hospital and Dr. Haas lobbies for the case. A female gynecologist joins the staff. Both Dr. Masters and his wife learn a secret and both get what they want.

E04

Thank You for Coming

Mon, Oct 21 2013 2:00 AM GMT+0000 60 min

Both Bill and Virginia have unexpected and unwelcome visitors at home. With the study back in the hospital, new participants are recruited. Ethan struggles to forget his feelings for Virginia.

E05

Catherine

Mon, Oct 28 2013 2:00 AM GMT+0000 60 min

William and Libby experience personal tragedy. Masters decides to pair Austin with a stranger. Virginia struggles with her parenting due to her long hours. Ethan's relationship with Vivian takes the next step, whether he likes it or not.

E06

Brave New World

Mon, Nov 4 2013 3:00 AM GMT+0000 60 min

Bill and Libby vacation in Miami after losing the baby. Virginia attends a visiting doctor's speech and decides to investigate one of the claims on her own. Austin struggles with the reason for his non-performance in the study.

E07

All Together Now

Mon, Nov 11 2013 3:00 AM GMT+0000 60 min

Virginia and William ramp up their participation in the study. Libby bypasses William and pressures Ethan to resume the treatments. Austin and Margaret ramp up their tryst leading to differing expectations. Ethan decides to commit to Vivian.

E08

Love and Marriage

Mon, Nov 18 2013 3:00 AM GMT+0000 60 min

Virginia resumes pursuit of her undergraduate degree. Masters takes Virginia's suggestion and enlists the aid of a technician to construct a working camera to film the intimate workings during sexual intimacy.

E09

Involuntary

Mon, Nov 25 2013 3:00 AM GMT+0000 60 min

Virginia and Dr. Masters move on to filming involuntary reactions during the study, with Jane as usual being the first subject. Ethan reveals information about his heritage that threatens their relationship.

E10

Fallout

Mon, Dec 2 2013 3:00 AM GMT+0000 60 min

A former study participant comes forward with news of her pregnancy. Ethan learns he has been effectively fired, but not for the reason he thought.

E11

Phallic Victories

Mon, Dec 9 2013 3:00 AM GMT+0000 60 min

Masters and Libby compile study information for hospital-wide presentation; DePaul and Johnson travel to a medical convention; Virginia's ex returns finds Ethan playing father to his children.

E12

Manhigh

Mon, Dec 16 2013 3:00 AM GMT+0000 60 min

Dr. Masters' big day is at hand after 12 months of studies. Without Virginia as a voice of moderation will Bill's pitch hit the mark? Margaret Scully is confronted with her husbands homosexuality and investigates what is involved with his 'treatment'. Dr. Austin Langham has a job offer from L.A and the climax to the episode sees Virginia Johnson reading the notes from Dr. William Masters presentation at home in the rain, to hear a knock at the door.

Season 2

12 episodes

E01

Parallax

Mon, Jul 14 2014 2:00 AM GMT+0000 60 min

Following Bill's declaration in season 1 finale, Bill and Virginia resume their professional and personal relationship - both asserting it is to further the cause of their work. Virginia breaks the news to Ethan and Bill tries to be there for Libby and their new baby but finds it hard. Bill is struggling with getting his career back on track and Virginia is still working for Dr. DePaul but hungers for more. Scully is determined to succeed in his "therapy", but Margaret will bear no more illusions in her life.

E02

Kyrie Eleison

Mon, Jul 21 2014 2:00 AM GMT+0000 60 min

Masters begins a new job at Memorial Hospital - under Betty's terms - only to find his boss insisting he leave Virginia behind in favor of a handpicked secretary. Johnson, meanwhile, still alienated at Maternity, is torn between pressing Masters to rehire her and staying by DePaul's side as her condition worsens.

E03

Fight

Mon, Jul 28 2014 2:00 AM GMT+0000 60 min

Virginia unearths Masters' troubled childhood during a secret rendezvous.

E04

Dirty Jobs

Mon, Aug 4 2014 2:00 AM GMT+0000 60 min

Johnson tries to cover when she and Masters are seen by Langham leaving a hotel together after an evening tryst. Later, Masters attempts to bring Johnson aboard as his assistant at his new post; and Betty tries to conceal her infertility from Gene, over Masters' objections.

E05

Giants

Mon, Aug 11 2014 2:00 AM GMT+0000 60 min

The study costs Masters his obstetrics and gynaecology practice. Johnson struggles with DePaul.

E06

Blackbird

Mon, Aug 18 2014 2:00 AM GMT+0000 60 min

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.

E07

Asterion

Mon, Aug 25 2014 2:00 AM GMT+0000 60 min

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.

E08

Mirror, Mirror

Mon, Sep 1 2014 2:00 AM GMT+0000 60 min

Johnson attempts to treat a woman on her own. Libby witnesses a hate crime.

E09

Story of My Life

Mon, Sep 8 2014 2:00 AM GMT+0000 60 min

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.

E10

Below the Belt

Mon, Sep 15 2014 2:00 AM GMT+0000 60 min

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.

E11

One for the Money, Two for the Show

Mon, Sep 22 2014 2:00 AM GMT+0000 60 min

A television crew arrives at the clinic to document Masters and Johnson's work treating sexual dysfunction. Masters considers the publicity premature, and himself unsuitable as a television presence. Virginia deals with the fallout of having prioritized her work over her parenting when George argues to take their children on a trip with his new wife. Plus, Libby finds in Robert an appreciation for what she has to offer. And Langham realizes there's no way out of his sexual contract with Flo.

E12

The Revolution Will Not Be Televised

Mon, Sep 29 2014 2:00 AM GMT+0000 60 min

Masters and Johnson feel ready to cure sexual dysfunction.

Season 3

12 episodes

E01

Parliament of Owls

Mon, Jul 13 2015 2:00 AM GMT+0000 60 min

Season 3 begins with Masters and Johnson facing the press for the first time as they prepare to publish their study. As they do so, they recall last year's summer vacation when Bill was finishing work on their book, Virginia was facing parenting struggles, and Libby was pulling herself out from beneath a deep depression.

E02

Three's a Crowd

Mon, Jul 20 2015 2:00 AM GMT+0000 60 min

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

E03

The Excitement of Release

Mon, Jul 27 2015 2:00 AM GMT+0000 60 min

Masters and Johnson try to capitalize on their growing fame.

E04

Undue Influence

Mon, Aug 3 2015 2:00 AM GMT+0000 60 min

Masters tries to convince Johnson to rededicate herself to the study and to him; a familiar face returns to the clinic for help; Libby attempts to help Paul and Joy repair their shattered lives; Johnson fails to notice that Tessa is trying to make sense of her home life and the events at the homecoming dance.

E05

Matters of Gravity

Mon, Aug 10 2015 2:00 AM GMT+0000 60 min

Johnson's parents visit and insert themselves in the Johnson women's lives; Libby and Masters learn that Johnny has been bullied and try to fix the problem; Johnson finds unexpected excitement in the scent study; a promising fertility patient is found.

E06

Two Scents

Mon, Aug 17 2015 2:00 AM GMT+0000 60 min

Masters and Johnson take on a celebrity couple who are looking to reinvigorate their sex life; Tessa comes to better understand her mother; Libby furthers her involvement in Joy's life but it comes with consequences that extend to Paul.

E07

Monkey Business

Mon, Aug 24 2015 2:00 AM GMT+0000 60 min

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

E08

Surrogates

Mon, Aug 31 2015 2:00 AM GMT+0000 60 min

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

E09

High Anxiety

Mon, Sep 7 2015 2:00 AM GMT+0000 60 min

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

E10

Through a Glass, Darkly

Mon, Sep 14 2015 2:00 AM GMT+0000 60 min

Johnson objects to Masters' program, due to missteps in protocol.

E11

Party of Four

Mon, Sep 21 2015 2:00 AM GMT+0000 60 min

Agendas collide as Masters, Johnson, Logan and his wife meet for dinner.

E12

Full Ten Count

Mon, Sep 28 2015 2:00 AM GMT+0000 60 min

Season 3 ends with Masters and Johnson discovering that all of their hard work is now in jeopardy.

Season 4

10 episodes

E01

Freefall

Mon, Sep 12 2016 2:00 AM GMT+0000 60 min

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.

E02

Inventory

Mon, Sep 19 2016 2:00 AM GMT+0000 60 min

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.

E03

The Pleasure Protocol

Mon, Sep 26 2016 2:00 AM GMT+0000 60 min

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.

E04

Coats or Keys

Mon, Oct 3 2016 2:00 AM GMT+0000 60 min

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.

E05

Outliers

Mon, Oct 10 2016 2:00 AM GMT+0000 60 min

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.

E06

Family Only

Mon, Oct 17 2016 2:00 AM GMT+0000 60 min

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.

E07

In to Me You See

Mon, Oct 24 2016 2:00 AM GMT+0000 60 min

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.

E08

Topeka

Mon, Oct 31 2016 2:00 AM GMT+0000 60 min

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.

E09

Night and Day

Mon, Nov 7 2016 3:00 AM GMT+0000 60 min

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.

E10

The Eyes of God

Mon, Nov 14 2016 3:00 AM GMT+0000 60 min

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.