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01:40 — Michael Sheen discusses what's in store for William Masters in season 4 of Masters of Sex.
05:20 — When TV was black-and-white and attitudes toward sex were, too, Masters and Johnson's book, "Human Sexual Response," helped fuel the sexual revolution (more…)
01:05 — Michael Sheen explains what to expect from Showtime's new TV series 'Masters Of Sex' and his role Dr. William Masters.
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