Masters of Sex Videos and Best Clips

Watch the Masters of Sex Season 3 Trailer!

01:30 — Do it

Masters of Sex: We Have Lift Off!

01:10 — Oh yeah!

Masters of Sex Season 4: Virginia Johnson

01:40 — Lizzy Caplan discusses what's in store for Virginia Johnson in season 4 of Masters of Sex.

Masters of Sex Season 4: Michael Sheen is William Masters

01:40 — Michael Sheen discusses what's in store for William Masters in season 4 of Masters of Sex.

Masters of Sex Season 4: Official Episode 4 Clip - Do You Go By Johnson or Logan?

01:39 — Virginia is thrust into an awkward situation at the party.

Masters of Sex Season 4: Official Episode 10 Clip - Law School

01:32 — Libby tells Bill about her intentions to enroll in law school, and Bill is none too happy when he finds out how far away it is.

Masters of Sex Season 4 Trailer

01:50 — Don't miss the premiere of Season 4 of Masters of Sex, starting Sunday September 11th at 10PM ET/PT.

Masters of Sex Season 4: Official Episode 3 Clip - Permanently Gone

01:15 — Bill and Virginia discuss a measure to help them in their upcoming trial.

Masters of Sex Season 4: Official Episode 7 Clip - Partners

01:50 — Masters and Johnson discuss how the clinic's four employees will be paired up moving forward.

Masters of Sex Season 4: Official Episode 8 Clip - Waiting For My Wife

01:54 — Virginia inadvertently runs into the current husband of Bill's former lover.

Masters of Sex Season 4 Tease

01:00 — Don't miss the new season of Masters of Sex, premiering Sunday September 11th at 10 PM ET/PT.

Masters of Sex Season 4: Official Episode 2 Clip - Nancy's Here to See You

01:21 — Virginia meets Bill's new hire.

Masters of Sex Season 4: Official Episode 8 Clip - You're Still Married

00:52 — Libby discovers that Bram Keller's latest divorce was never finalized.

Masters of Sex Season 4: Official Episode 4 Clip - A Key Party with Coats

01:20 — Virginia, Betty, and Lester learn that they've inadvertently attended a swingers' party.

Masters of Sex Season 4: Official Episode 5 Clip - You Know Betty

01:25 — Betty accidentally stumbles into an awkward situation with Helen's parents.

Masters of Sex Season 4: Official Episode 7 Clip - Our Charming Couple

01:06 — Virginia tells Nancy her theory on the clinic's latest patients.

Masters of Sex Season 4: Official Episode 2 Clip - I'm Sorry For Everything

01:20 — Bill makes a desperate apology to Libby.

Masters of Sex Season 4: Official Episode 5 Clip - Uncharted Waters

01:30 — Bill and Libby discuss some more ways to rekindle their relationship.

Masters of Sex Season 4: Official Episode 6 Clip - What Is My Role?

01:55 — Nancy confronts Virginia about a grievance of hers.

Masters of Sex Season 4: Official Episode 9 Clip - I'm Gonna Stay

01:24 — Libby opens up to Keller about her dreams.

Masters of Sex Season 4: Official Episode 10 Clip - Who's Your Wedding Planner?

00:57 — Masters and Johnson tell Barton and Guy about their intentions to get married.

Behind the Scenes: Masters of Sex Season 4

02:05 — The cast of Masters of Sex talks about what's in store for them in Season 4. Don't miss the premiere of Season 4 of Masters of Sex, Sunday September (more…)

Masters of Sex Season 4: Official Episode 3 Clip - If You Get Into Trouble, Call Me

01:08 — Libby meets a handsome lawyer in the diner.

Masters of Sex Season 4: Official Episode 6 Clip - Smelling Salts

01:36 — Bram Keller invites Libby on a very unconventional first date.

Cast & Details See all »

Premiered: September 29, 2013
Rating: TV-MA
Premise: Dramatic depiction of the lives of sex researchers William Masters and Virginia Johnson. (more)