Masters of Sex Season 4 poster

Masters of Sex — Season 4

The seventies are in full swing and sexual experimentation is all the rage. Masters and Johnson should be celebrating, but their clinic is in legal trouble, their personal lives are in tatters and the

201610 episodes6.7/10 (150 votes)

About this season

The seventies are in full swing and sexual experimentation is all the rage. Masters and Johnson should be celebrating, but their clinic is in legal trouble, their personal lives are in tatters and their relationship is on the rocks.

Episodes (10)

Freefall
E1

1. Freefall

7.1

Aired 11 September 2016 • 60 min

In the wake of their fallout, Masters and Johnson search for purpose in a world without one another and look to work as their personal lives crash down around them. Libby finds herself alone for the first time since her marriage and discovers some unexpected allies. Season premiere.

Inventory
E2

2. Inventory

6.9

Aired 18 September 2016 • 60 min

Masters and Johnson turn to new partners in an effort to put the past behind them and focus on their expanding clinic. Given their fractured triangle, Libby reevaluates her relationship with Bill and Virginia.

The Pleasure Protocol
E3

3. The Pleasure Protocol

6.9

Aired 25 September 2016 • 60 min

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.

Coats or Keys
E4

4. Coats or Keys

6.8

Aired 2 October 2016 • 60 min

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.

Outliers
E5

5. Outliers

6.8

Aired 9 October 2016 • 60 min

Johnson and Masters' troubles come to a head as the trial begins with Keller leading the charge. Virginia does her best to revive their career as Bill faces the reality of what the charges could mean for him, Johnson and the practice.

Family Only
E6

6. Family Only

6.4

Aired 16 October 2016 • 60 min

Johnson looks to get her relationship with Masters back on track while Masters does his best to find satisfaction elsewhere. Betty and Helen ready themselves for a new addition; Art and Nancy discuss the consequences of their party.

In To Me You See
E7

7. In To Me You See

6.7

Aired 23 October 2016 • 60 min

Masters looks to groom Art as his protege in a new area of research as Johnson does her best to keep Nancy at arm's length. Betty seeks an unlikely source for assistance in her fight for equal rights to Helen's baby.

Topeka
E8

8. Topeka

6.6

Aired 30 October 2016 • 60 min

Masters and Johnson go on the road and pose as a couple to investigate practices at a competing clinic. While Bill and Virginia are away, Art, Nancy and Langham take advantage of their absence to further their own agendas.

Night and Day
E9

9. Night and Day

6.6

Aired 6 November 2016 • 60 min

Masters and Johnson return from Topeka, each grappling with the trip's ramifications. Art and Nancy look to tie up loose ends in order to have a fresh start, and Libby embarks on a road trip with Bram that changes her perspective.

The Eyes of God
E10

10. The Eyes of God

6.2

Aired 13 November 2016 • 60 min

Masters and Johnson work to save the practice from disintegrating in the face of insurrection within the clinic. As everyone in their lives either moves on or falls away, Bill and Virginia find solace in one another. Season finale.

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