S1 E5 ∙ Catherine ∙
While dealing with his anxiety about becoming a father, Masters expands the study to include couples, while Johnson tries to connect with her son.
G
Contains Strong Language, Mature Themes and Sexual Themes
All episodes for series 1 of Masters of Sex
S1 E1 · Pilot
Dr William Masters recruits single mother Virginia Johnson to conduct pioneering research.
S1 E2 · Race to Space
The sexual response study is banned from the hospital and Masters is forced to relocate.
S1 E3 · Standard Deviation
After receiving skewed data, Masters tries to get the project reinstated at the hospital.
S1 E4 · Thank You for Coming
Johnson is shocked when her ex-husband decides to take part in the study.
S1 E5 · Catherine
Masters expands the study to include couples.
S1 E6 · Brave New World
Struggling after her miscarriage, Libby travels to Miami with Masters for a rest.
S1 E7 · All Together Now
Johnson worries the study may be interfering with Masters' home life.
S1 E8 · Love and Marriage
Masters and Johnson decide to film their work in the sexual response study.
S1 E9 · Involuntary
Masters and Johnson push the filming of their subjects to a risque level.
S1 E10 · Fallout
A participant's pregnancy drives a wedge between Masters and Johnson.
S1 E11 · Phallic Victories
Johnson attends a conference with Dr DePaul.
S1 E12 · Manhigh
Masters' presentation of the study to his colleagues ignites a protest.
