Masters of Sex

Noted obstetrician Dr. William Masters (Michael Sheen) teams up with divorced mother Virginia Johnson (Lizzy Caplan) to conduct pioneering research that unleashes the sexual revolution.

When he's forced to relocate his study to a St. Louis brothel, Masters (Michael Sheen) has no choice but to rehire Johnson (Lizzy Caplan) in order to make things work.

As Johnson (Lizzy Caplan) bristles at the hiring of a new female doctor, Masters (Michael Sheen) worries that conducting their study in a brothel is jeopardizing the results. Haas (Nichols D'Agosto) fights to be allowed to deliver quadruplets.

Painful memories of his childhood cause Masters (Michael Sheen) to question his own his ability to be a good father. Johnson (Lizzy Caplan) is surprised by the arrival of her ex-husband.

As Masters (Michael Sheen) is haunted by memories of his childhood traumas, Haas (Nichols D'Agosto) looks to advance his career by dating Scully's (Beau Bridges) teenage daughter.

As Masters (Michael Sheen) and Libby (Caitlin Fitzgerald) struggle with the fallout from her miscarriage, Johnson (Lizzy Caplan) proposes a study that challenges Freud&s theories of female sexual response. An unsatisfying sex life at home leads Margaret Scully (Allison Janney) to volunteer for the study.

When he and Johnson (Lizzy Caplan) study their own sexual relationship, Masters (Michael Sheen) must deal with the consequences in his marriage. As Margaret (Allison Janney) uses her husband's business trip to spend time with Langham (Teddy Sears), a mugging puts Scully's (Beau Bridges) secret life at risk of being exposed.

As Masters (Michael Sheen) and Johnson (Lizzy Caplan) set out to film their work, the end of her affair leads Margaret (Allison Janney) closer to the truth about Scully's (Beau Bridges) secret.

As Masters (Michel Sheen) and Johnson (Lizzy Caplan) push the filming of their subjects to a risqué and possibly illegal level, their intimate rapport causes his mother to question the relationship.

As the hospital is preoccupied with a nuclear disaster drill, a study participant's pregnancy further divides Masters (Michael Sheen) and Johnson (Lizzy Caplan). Margaret (Allison Janney) learns the truth about her husband, and Haas (Nicholas D'Agosto) finds his days at the hospital may be numbered.

As Masters (Michel Sheen) struggles to carry on without her, Johnson (Lizzy Caplan) looks to help Dr. DePaul promote her work on women's health. When Haas (Nicholas D'Agosto) babysits while Johnson attends a conference, he squares off with her ex-husband.

Masters' (Michael Sheen) presentation of the sex study to his colleagues ignites a firestorm of protest and leaves Johnson (Lizzy Caplan) struggling with the fallout. Scully (Beau Bridges) tells Margaret (Allison Janney) the truth about his sexual history, while Haas (Nicholas D'Agosto) looks for a job in California.

A comprehensive behind the scenes look at the creation of the series -- from inception through production. The show's creator, producers and cast reveal why they felt sure that the true Masters & Johnson story would make for riveting television.

Celebrated English actor Michael Sheen is renowned for his accurate portrayals of real historical characters. He talks to us about why he found Masters such a great character to portray, what he learned during his research into the role, and what are his greatest challenges.