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

Series Selector for Masters of Sex

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 E10 · Fallout

A participant's pregnancy drives a wedge between Masters and Johnson.

S1 E12 · Manhigh

Masters' presentation of the study to his colleagues ignites a protest.