Masters and Johnson adjust to new partners, but their respective cases have them second-guessing the instinct to remain separated. A romantic prospect pushes Libby to embrace life as a newly single woman of the sexual revolution.

Masters of Sex Season 4 Episodes...

• s04e01 - Freefall
• s04e02 - Inventory
• s04e03 - The Pleasure Protocol
• s04e04 - Coats or Keys
• s04e05 - Outliers
• s04e06 - Family Only
• s04e07 - In To Me You See
• s04e08 - Topeka
• s04e09 - Night and Day
• s04e10 - The Eyes of God

Masters of Sex Show Summary

William Masters and Virginia Johnson were the real-life pioneers of the science of human sexuality. The series chronicles the unusual lives, romance and pop culture trajectory of Masters and Johnson.

Their research touched off the sexual revolution and took them from a mid-western teaching hospital in St. Louis to the cover of Time magazine and nearly a dozen appearances on Johnny Carson's couch.