S1 E3 8/21/11

Why Is Sex Fun?

Maggie Gyllenhaal hosts a revealing investigation into orgasms, one of the most intense pleasures. Cutting edge science explores the purpose of orgasms. In men, the answer is simple: reproduction. But women don't need an orgasm to get pregnant.

Seasons

Episode   3

Why Is Sex Fun?

Episode   7

Back to the Stone Age

Episode   8

I, Caveman: The Great Hunt