The BEST episodes of Masters of Sex season 4

Every episode of Masters of Sex season 4, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Masters of Sex season 4!

The series chronicles the unusual lives, romance and pop culture trajectory of William Masters and Virginia 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.

Last Updated: 2/10/2024Network: ShowtimeStatus: Ended
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Coats or Keys
star
7.88
617 votes

#1 - Coats or Keys

Season 4 - Episode 4 - Aired 10/2/2016

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.

Directors: Colin Bucksey
Writer: Amy Lippman
Watch Now:Amazon
Topeka
star
7.88
595 votes

#2 - Topeka

Season 4 - Episode 8 - Aired 10/30/2016

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.

Watch Now:Amazon
Family Only
star
7.80
624 votes

#3 - Family Only

Season 4 - Episode 6 - Aired 10/16/2016

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.

Directors: Colin Bucksey
Writer: Seth Fisher
Watch Now:Amazon
Outliers
star
7.79
621 votes

#4 - Outliers

Season 4 - Episode 5 - Aired 10/9/2016

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.

Directors: Eric Tignini
Watch Now:Amazon
The Eyes of God
star
7.68
626 votes

#5 - The Eyes of God

Season 4 - Episode 10 - Aired 11/13/2016

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. Series finale.

Directors: Michael Apted
Watch Now:Amazon
In To Me You See
star
7.50
602 votes

#6 - In To Me You See

Season 4 - Episode 7 - Aired 10/23/2016

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.

Directors: Michael Apted
Watch Now:Amazon
The Pleasure Protocol
star
7.47
628 votes

#7 - The Pleasure Protocol

Season 4 - Episode 3 - Aired 9/25/2016

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.

Directors: Adam Arkin
Writer: Ellen Fairey
Watch Now:Amazon
Night and Day
star
7.46
655 votes

#8 - Night and Day

Season 4 - Episode 9 - Aired 11/6/2016

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.

Directors: Karyn Kusama
Watch Now:Amazon
Inventory
star
7.39
630 votes

#9 - Inventory

Season 4 - Episode 2 - Aired 9/18/2016

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.

Directors: Jeremy Webb
Watch Now:Amazon
Freefall
star
7.34
691 votes

#10 - Freefall

Season 4 - Episode 1 - Aired 9/11/2016

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.

Directors: Colin Bucksey
Watch Now:Amazon