Masters of Sex Wiki

List of episodes of Masters of Sex.

Season 1 (2013)[]

Picture Title Number Original Airdate
Screen Shot 2016-08-03 at 4.11.04 PM.png "Pilot" 1 September 29, 2013
Washington University researcher Dr. William "Bill" Masters proposes a controversial study of human sexuality but is rejected by his university.
Screen Shot 2016-08-03 at 4.12.11 PM.png "Race to Space" 2 October 6, 2013
Virginia has trouble telling Bill that she cannot accept his proposal, but Bill informs her that Scully has cancelled the study.
Screen Shot 2016-08-03 at 4.12.44 PM.png "Standard Deviation" 3 October 13, 2013
Bill and Virginia continue working at the brothel but Bill grows increasingly frustrated with the conditions.
Screen Shot 2016-08-03 at 4.13.27 PM.png "Thank You for Coming" 4 October 20, 2013
With the study back in the hospital, Bill and Virginia recruit new participants on campus. Virginia has a one-night tryst with her ex-husband, George.
Screen Shot 2016-08-03 at 4.14.27 PM.png "Catherine" 5 October 27, 2013
Bill experiences anxiety about becoming a father. Ethan is worried about dating Barton Scully's daughter. Libby suffers a miscarriage.
Screen Shot 2016-08-03 at 4.15.33 PM.png "Brave New World" 6 November 3, 2013
In the aftermath of the miscarriage, Libby and Bill vacation in Miami. Virginia continues the study in St. Louis.
Screen Shot 2016-08-03 at 4.16.50 PM.png "All Together Now" 7 November 10, 2013
Virginia tries to find a new secretary. Bill tries to balance the study and his affair with his home life. Austin continues his sexual relationship with Margaret Scully.
Screen Shot 2016-08-03 at 4.18.56 PM.png "Love and Marriage" 8 November 17, 2013
Bill and Virginia decide that the best way to record their study findings is to film them. Johnson redoubles her efforts to get a college degree.
Screen Shot 2016-08-03 at 4.19.44 PM.png "Involuntary" 9 November 24, 2013
Libby tells Bill that she’s pregnant. Bill's mother learns about the study. Virginia continues in Dr. DePaul's class.
Screen Shot 2016-08-03 at 4.22.04 PM.png "Fallout" 10 December 1, 2013
A young woman named Flora Banks tells Bill and Virginia that she got pregnant from her participation in the study, and wants to know the identity of the father.
Screen Shot 2016-08-03 at 4.23.27 PM.png "Phallic Victories" 11 December 8, 2013
With Virginia no longer a part of his office, Bill accepts Libby's offer to serve as his secretary, in order to help him help compile the work for a presentation.
Screen Shot 2016-08-03 at 4.26.08 PM.png "Manhigh" 12 December 15, 2013
Bill gives the presentation on his and Virginia's research to the hospital, but it does not get the response he had hoped.

Season 2 (2014)[]

Picture Title Number Original Airdate
Screen Shot 2016-08-03 at 12.52.01 PM.png "Parallax" 13 July 13, 2014
The presentation continues to affect the reputations of both Bill and Virginia, as they both confront their feelings towards each other.
Episode14.png "Kyrie Eleison" 14 July 20, 2014
Bill starts work at a new hospital but is disappointed to hear that Virginia, who is still working with Dr. DePaul at Maternity, can't join him.
Episode15.png "Fight" 15 July 27, 2014
A romantic night of role playing at a hotel takes a dark turn when Bill reveals memories from his childhood.
Episode16.png "Dirty Jobs" 16 August 3, 2014
Bill continues to try to get Virginia hired at Memorial Hospital, much to the dismay of his bosses; Langham suspects that Virginia and Bill are having an affair.
Episode17.png "Giants" 17 August 10, 2014
Bill starts work at a black hospital; Betty's former love interest returns; Dr. DePaul confronts Virginia about her affair with Bill.
Episode18.png "Blackbird" 18 August 17, 2014
Virginia is left saddened as Dr. DePaul decides to quit her chemotherapy; New restrictions are put on Bill's study; Betty's relationship with Helen is outed.
Episode19.png "Asterion" 19 August 24, 2014
Bill cuts sexual ties with Virginia after finding out that she was having relationships with other people.
Episode20.png "Mirror, Mirror" 20 August 31, 2014
Bill and Virginia, now officially working together, try to solve a patient's sexual dysfunction; Libby is caught in the middle of a racial dilemma.
Screen Shot 2016-08-03 at 1.05.06 PM.png "Story of My Life" 21 September 7, 2014
Virginia keeps seeing a psychiatrist about Barbara's story; Bill's brother continues to be a nuisance for Bill.
Screen Shot 2016-08-03 at 1.05.32 PM.png "Below the Belt" 22 September 14, 2014
Libby takes part in CORE's action while Virginia lies to Bill about her whereabouts. Shep Tally, a PR expert, agrees to present Virginia and Bill on television.
Episode23.png "One for the Money, Two for the Show" 23 September 21, 2014
While a television crew films Bill and Virginia's work, they have problems explaining their work while avoiding censorship.
Episode24.png "The Revolution Will Not Be Televised" 24 September 28, 2014
Bill and Virginia begin addressing Bill's impotence in a structured manner. Libby reveals to Robert she is aware of Bill's infidelity, and the two continue their affair.

Season 3 (2015)[]

Picture Title Number Original Airdate
Episode25.png "Parliament of Owls" 25 July 12, 2015
In 1965, Bill and Virginia are about to publish their work as they do their first press conference for their upcoming book Human Sexual Response.
Episode26.png "Three's a Crowd" 26 July 19, 2015
Bill and Libby try to legitimatize Virginia's sudden pregnancy by putting George back into the equation; Bill and Virginia take on a new patient.
Episode27.png "The Excitement of Release" 27 July 26, 2015
The book is released and has impacts on everyone's life; Bill begins soliciting colleges to get Human Sexual Response used as a textbook; Virginia looks for an investor.
Episode28.png "Undue Influence" 28 August 2, 2015
Virginia is caught off guard when she gets letters from her son serving in the war, and thinks he might be sick, which may keep her home.
Episode29.png "Matters of Gravity" 29 August 9, 2015
Bill is invited back to Washington University to deliver a speech after the success of the book; Virginia is surprised by the arrival of her parents.
Episode30.png "Two Scents" 30 August 16, 2015
Bill and Virginia struggle to continue their relationship as Logan continues to pursue her; Bill's problems with his son escalate when Bill makes Johnny sign up for football.
Episode31.png "Monkey Business" 31 August 23, 2015
Bill reluctantly agrees to help resolve the sexual dysfunction of a gorilla just as he and Virginia are being interviewed by Newsweek.
Episode32.png "Surrogates" 32 August 30, 2015
Virginia and Logan drop everything to relax in Las Vegas; Bill starts his surrogacy program despite Virginia's prior skepticism.
Episode33.png "High Anxiety" 33 September 6, 2015
Bill becomes desperate to reconnect with Virginia as she raises concerns about Bill's new surrogacy program; Dan plans on leaving Missouri.
Episode34.png "Through a Glass, Darkly" 34 September 13, 2015
Virginia's absence in Bill's love life continues to have an upsetting effect on him, and he ends up having to sacrifice his surrogacy program.
Episode35.png "Party of Four" 35 September 20, 2015
While in New York, Bill orchestrates a dinner with Virginia, Dan, and Dan's wife, in hopes he will finally be reunited with Virginia.
Episode36.png "Full Ten Count" 36 September 27, 2015
With their publisher eager to move forward with their new book and the police investigating Bill's recent indiscretions, all of Bill and Virginia's work is compromised.

Season 4 (2016)[]

Picture Title Number Original Airdate
Episode37.png "Freefall" 37 September 11, 2016
Bill, reeling after Virginia's departure, is forced to go to mandatory AA meetings after being caught drunk driving, and tries to turn his life around by returning to the clinic.
Episode38.png "Inventory" 38 September 18, 2016
Virginia learns that Bill has hired a new partner, as per their agreement, and begins looking for a partner of her own; Bill is intent on making things right with Libby.
Episode39.png "The Pleasure Protocol" 39 September 25, 2016
Bill and Virginia continue to work with their respective partners on several different new cases; Alice Logan returns; Libby starts a new job for a divorce lawyer.
404.png "Coats or Keys" 40 October 2, 2016
Bill, Virginia, Libby, Betty, Lester, and Keller all end up at a swingers party hosted by Art and Nancy; Bill and Libby re-examine their complicated relationship.
Episode41.png "Outliers" 41 October 9, 2016
With their legal troubles coming to a resolution, Bill is forced to make a difficult admission; Virginia goes to New York to salvage their book deal.
Episode42.png "Family Only" 42 October 16, 2016
Virginia deals with insubordination in the clinic, and continues to try to reunite with Bill; Helen goes into labor and Betty is left dealing with an unforeseen tragedy.
Episode43.png "In To Me You See" 43 October 23, 2016
Bill contacts a lover from his past; Virginia and Nancy discover their clinic is under scrutiny from competing businesses.
Episode44.png "Topeka" 44 October 30, 2016
While investigating a competing clinic in Topeka, Virginia is horrified to learn that Bill and a former lover have met in person; Austin comes upon a new business venture.
Episode45.png "Night and Day" 45 November 6, 2016
Virginia is dismayed to hear that her parents marriage is on the rocks; Bill learns that Louise has fallen off the wagon; Libby and Bram get stuck in a traffic jam.
Episode46.png "The Eyes of God" 46 November 13, 2016
Series finale. Bill and Virginia take precautions as they learn Nancy is planning on opening her own clinic. Libby plans on moving to California to study Law at Berkeley.