Episode 12 - Manhigh
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, the doctors' response is not what he had hoped.
Episode 11 - Phallic Victories
Masters prepares to present his findings. Dr. DePaul opens up to Virginia.
Episode 10 - Fallout
The hospital takes part in a nationwide civil defense drill, and the heightened atmosphere escalates conflicts among the staff.
Episode 9 - Involuntary
Haas and Vivian's wedding plans get sidetracked. Libby keeps a secret.
Episode 8 - Love and Marriage
Masters and Johnson enlist outside help. Scully battles his sexual desires
Episode 7 - All Together Now
Masters and Johnson continue their sexual response study - now as participants - but Johnson fears their work may be interfering with Masters' home life.
Episode 6 - Brave New World
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.
Episode 5 - Catherine
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.
Episode 4 - Thank You For Coming
With the study back in the hospital, Masters and Johnson recruit new participants on campus.
Episode 3 - Standard Deviation
Masters and Johnson continue their research at the brothel, but skewed data confirms that Masters must get the study back into the hospital.
Episode 2 - Race to Space
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.
Episode 1 - Pilot
William Masters, a doctor in the field of obstetrics and gynaecology at Washington University in St Louis, runs a successful medical practice by day and conducts a secret study of human sexuality by night.