Dr. Ethan Haas is a fictional character portrayed by Nicholas D'Agosto in the TV series Masters of Sex.
In the first episode they appeared in, titled Pilot (season 1), they were 33 years old.
They appear in 14 episodes out of a total of 46 aired and have accumulated 1206 positive votes.
The character of Dr. Ethan Haas is mainly associated with Libby Masters, Virginia Johnson and Dr. William Masters.
Episodes14
Pilot
episode S1.E1 september 2013Dr. 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 S1.E2 october 2013The 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 S1.E3 october 2013A 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 S1.E4 october 2013Both 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 S1.E5 october 2013William 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 S1.E6 november 2013Bill 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 S1.E7 november 2013Virginia 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 S1.E8 november 2013Virginia 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 S1.E9 november 2013Virginia 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 S1.E10 december 2013A 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 S1.E11 december 2013Masters 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 S1.E12 december 2013Dr. 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.Parallax
episode S2.E1 july 2014Following 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.The Revolution Will Not Be Televised
episode S2.E12 september 2014Masters and Johnson feel ready to cure sexual dysfunction.
- Pilot
- Race to Space
- Standard Deviation
- Thank You for Coming
- Catherine
- Brave New World
- All Together Now
- Love and Marriage
- Involuntary
- Fallout
- Phallic Victories
- Manhigh
- Parallax
- The Revolution Will Not Be Televised
Best moments10
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- Masters and Johnson feel ready to cure sexual dysfunction.
- 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.
- Phallic Victories
- Involuntary
- All Together Now
- Fallout
- Thank You for Coming
- Catherine
- Love and Marriage
- Manhigh
- The Revolution Will Not Be Televised
- Pilot