Lizzy Caplan And Michael Sheen Do It For Science

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The researchers have become the research subjects! We all saw this coming (or, well, all of us who are familiar with the work of Masters and Johnson, anyway), but it's still nice to watch as Masters and Johnson go from professional colleagues to professional colleagues who are banging for their research. Especially since, of course, it means more chances for Lizzy Caplan nudity.

· "Masters of Sex" (sho.com)