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Masters of Sex - Episode Guide

Season 1

Pilot

Episode: 1x01 | Airdate: Sep 29, 2013

Pilot

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.

Race to Space

Episode: 1x02 | Airdate: Oct 6, 2013

Race to Space

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.

Standard Deviation

Episode: 1x03 | Airdate: Oct 13, 2013

Standard Deviation

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.

Thank You for Coming

Episode: 1x04 | Airdate: Oct 20, 2013

Thank You for Coming

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.

Catherine

Episode: 1x05 | Airdate: Oct 27, 2013

Catherine

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.

Brave New World

Episode: 1x06 | Airdate: Nov 3, 2013

Brave New World

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.

All Together Now

Episode: 1x07 | Airdate: Nov 10, 2013

All Together Now

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.

Love and Marriage

Episode: 1x08 | Airdate: Nov 17, 2013

Love and Marriage

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.

Involuntary

Episode: 1x09 | Airdate: Nov 24, 2013

Involuntary

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.

Fallout

Episode: 1x10 | Airdate: Dec 1, 2013

Fallout

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.

Phallic Victories

Episode: 1x11 | Airdate: Dec 8, 2013

Phallic Victories

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.

Manhigh

Episode: 1x12 | Airdate: Dec 15, 2013

Manhigh

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

Parallax

Episode: 2x01 | Airdate: Jul 13, 2014

Parallax

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.

Kyrie Eleison

Episode: 2x02 | Airdate: Jul 20, 2014

Kyrie Eleison

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.

Fight

Episode: 2x03 | Airdate: Jul 27, 2014

Fight

Virginia unearths Masters' troubled childhood during a secret rendezvous.

Dirty Jobs

Episode: 2x04 | Airdate: Aug 3, 2014

Dirty Jobs

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.

Giants

Episode: 2x05 | Airdate: Aug 10, 2014

Giants

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

Blackbird

Episode: 2x06 | Airdate: Aug 17, 2014

Blackbird

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.

Asterion

Episode: 2x07 | Airdate: Aug 24, 2014

Asterion

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.

Mirror, Mirror

Episode: 2x08 | Airdate: Aug 31, 2014

Mirror, Mirror

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

Story of My Life

Episode: 2x09 | Airdate: Sep 7, 2014

Story of My Life

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.

Below the Belt

Episode: 2x10 | Airdate: Sep 14, 2014

Below the Belt

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.

One for the Money, Two for the Show

Episode: 2x11 | Airdate: Sep 21, 2014

One for the Money, Two for the Show

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.

Season 3

Parliament of Owls

Episode: 3x01 | Airdate: Jul 12, 2015

Parliament of Owls

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.

Three's a Crowd

Episode: 3x02 | Airdate: Jul 19, 2015

Three's a Crowd

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

The Excitement of Release

Episode: 3x03 | Airdate: Jul 26, 2015

The Excitement of Release

Masters and Johnson try to capitalize on their growing fame.

Undue Influence

Episode: 3x04 | Airdate: Aug 2, 2015

Undue Influence

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.

Matters of Gravity

Episode: 3x05 | Airdate: Aug 9, 2015

Matters of Gravity

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.

Two Scents

Episode: 3x06 | Airdate: Aug 16, 2015

Two Scents

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.

Monkey Business

Episode: 3x07 | Airdate: Aug 23, 2015

Monkey Business

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

Surrogates

Episode: 3x08 | Airdate: Aug 30, 2015

Surrogates

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

High Anxiety

Episode: 3x09 | Airdate: Sep 6, 2015

High Anxiety

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

Through a Glass, Darkly

Episode: 3x10 | Airdate: Sep 13, 2015

Through a Glass, Darkly

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

Party of Four

Episode: 3x11 | Airdate: Sep 20, 2015

Party of Four

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

Full Ten Count

Episode: 3x12 | Airdate: Sep 27, 2015

Full Ten Count

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

Season 4

Freefall

Episode: 4x01 | Airdate: Sep 11, 2016

Freefall

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.

Inventory

Episode: 4x02 | Airdate: Sep 18, 2016

Inventory

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.

The Pleasure Protocol

Episode: 4x03 | Airdate: Sep 25, 2016

The Pleasure Protocol

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.

Coats or Keys

Episode: 4x04 | Airdate: Oct 2, 2016

Coats or Keys

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.

Outliers

Episode: 4x05 | Airdate: Oct 9, 2016

Outliers

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.

Family Only

Episode: 4x06 | Airdate: Oct 16, 2016

Family Only

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.

In to Me You See

Episode: 4x07 | Airdate: Oct 23, 2016

In to Me You See

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.

Topeka

Episode: 4x08 | Airdate: Oct 30, 2016

Topeka

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.

Night and Day

Episode: 4x09 | Airdate: Nov 6, 2016

Night and Day

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.

The Eyes of God

Episode: 4x10 | Airdate: Nov 13, 2016

The Eyes of God

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.

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