New Episodes Coming in 2015

Episode 12: Manhigh

Masters' presents his and Johnson's findings. Season finale.

Masters' presents his and Johnson's findings.

Next on Episode 12i

Virginia wishes Bill and Libby good luck on their baby and the presentation.

Sets the Right Tonei

William Masters presents his findings.

Opening the Doori

Michael Sheen and Lizzy Caplan discuss the season finale.

Behind the Episode: Manhighi

Episode 11: Phallic Victories

Masters prepares to present his findings. Dr. DePaul opens up to Virginia.

Ethan tells Virginia's ex-husband that he means on proposing.

Ring on Her Fingeri

Libby asks Bill about a certain couple who participated in his study numerous times.

They Must've Fallen in Lovei

Episode 10: Fallout

A nationwide civil defense drill escalates conflicts among the staff.

A former study participant reveals she's pregnant and wants to know the identity of the father.

Next on Episode 10i

Dr. Ethan Haas finds out bad news from Barton Scully.

Holding onto Grudgesi

Masters and Johnson discuss their responsibility when a study participant finds out she is pregnant.

Ethically Boundi

Lizzy Caplan and Michael Sheen discuss Virginia Johnson quitting the study and her job.

Behind the Episode: Fallouti

Episode 9: Involuntary

Haas and Vivian's wedding plans get sidetracked. Libby keeps a secret.

Haas and Vivian's wedding plans get sidetracked. Libby keeps a secret.

Next on Episode 9i

Masters and Johnson discuss their results on involuntary actions during sex.

Signs of Passioni

Virginia Johnson decides to take her involvement in the study a step further.

Our Girl is Gonei

Episode 8: Love and Marriage

Masters and Johnson enlist outside help. Scully battles his sexual desires.

Masters and Johnson enlist outside help. Scully battles his sexual desires.

Next on Episode 8i

Margaret Scully opens up to her husband.

Impossible to Understandi

Masters and Johnson discuss how to present their data and findings.

Scientific Journali

Episode 7: All Together Now

Masters and Johnson join the study as participants. Libby renews treatment.

Masters and Johnson take their experiments to a whole new level.

Next on Episode 7i

Masters and Johnson prepare for their experiment.

Emotional Attachmenti

Dr. Haas promises to help Libby again.

Owed a Miraclei

Lizzy Caplan and Michael Sheen discuss Masters and Johnson starting a physical relationship.

Behind the Episode: All Together Nowi

Episode 6: Brave New World

Libby and Masters visit Miami. Jane aids Virginia in debunking a theory.

Libby and Masters travel to Miami for some much needed rest and relaxation.

Next on Episode 6i

Margaret Scully meets with Masters and Johnson.

Orgasmic Responsei

Libby asks Bill to leave Florida and to return home without her.

This Isn't Workingi

Michael Sheen and Lizzy Caplan discuss the first time Masters and Johnson sleep together.

Behind the Episode: Brave New Worldi

Episode 5: Catherine

Johnson tries to connect with her son. Masters experiences anxiety.

Johnson tries to connect with her son. Masters experiences anxiety.

Next on Episode 5i

Margaret shares how she met her husband, Barton Scully.

That Old Hat Storyi

Masters and Johnson review their findings.

Chemistryi

Episode 4: Thank You For Coming

Masters and Johnson recruit new participants. Masters' mother visits.

Masters and Johnson recruit new participants. Masters' mother visits.

Next on Episode 4i

Virginia is late for work.

Spent the Nighti

Libby and William have a dinner party.

Don't Get Sloppyi

Nicholas D'Agosto discusses his character's heart being broken by Virginia Johnson.

Behind the Episode: Thank You For Comingi

Episode 3: Standard Deviation

Dr. Haas gets the case of a lifetime - a woman pregnant with quadruplets.

Dr. Haas gets the case of a lifetime - a woman pregnant with quadruplets.

Next on Episode 3i

Virginia Johnson confronts William Masters about their professional relationship.

Errand Girli

Masters and Johnson question their test subjects.

Sexually Activei

The cast discusses the ramifications of Masters and Johnson's study.

Behind the Episode: Standard Deviationi

Episode 2: Race to Space

The study is forced out of the hospital and Masters moves it to a brothel.

William Masters learns that his study has been shut down.

Next on Episode 2i

William Masters informs Virginia Johnson that their study has been jeopardized.

Copulation Between Couplesi

Virginia Johnson convinces a few prostitutes to be subjects in Dr. William Masters's sex study.

Midwest Miraclei

The cast discusses Virginia Johnson reinserting herself into the study and Libby Masters' concerns with her husband's research.

Behind the Episode: Race to Spacei

Episode 1: Pilot

Series premiere. Dr. William Masters conducts a study of human sexuality.

Series premiere. Dr. William Masters conducts a study of human sexuality.

Next on Episode 1i

William Masters discusses his results with a prostitute.

Fake Orgasmsi

William Masters interviews Virginia Johnson.

Interferencei

Executive Producer Michelle Ashford discusses the series premiere of Masters of Sex.

Behind the Episode: Piloti

Behind the Scenes

Executive Producer Michelle Ashford discusses the series premiere of Masters of Sex.

Behind the Episode: Piloti

The cast discusses Virginia Johnson reinserting herself into the study and Libby Masters' concerns with her husband's research.

Behind the Episode: Race to Spacei

The cast discusses the ramifications of Masters and Johnson's study.

Behind the Episode: Standard Deviationi

Nicholas D'Agosto discusses his character's heart being broken by Virginia Johnson.

Behind the Episode: Thank You For Comingi

Michael Sheen and Lizzy Caplan discuss the first time Masters and Johnson sleep together.

Behind the Episode: Brave New Worldi

Lizzy Caplan and Michael Sheen discuss Masters and Johnson starting a physical relationship.

Behind the Episode: All Together Nowi

Lizzy Caplan and Michael Sheen discuss Virginia Johnson quitting the study and her job.

Behind the Episode: Fallouti

Michael Sheen and Lizzy Caplan discuss the season finale.

Behind the Episode: Manhighi

Promos

Don't miss the premiere of Masters of Sex coming this fall.

Think of This Man (Masters of Sex Spot)i

Showtime is proud to announce six 2014 Golden Globe nominations.

Showtime Golden Globe Nominations 2014i
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