Johnson, Masters, Libby and Keller wind up together at a party thrown by Art and Nancy. Pairings and perspectives shift as the night wears on, until the light of day exposes the consequences of the evening.

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.