HBO produced a wonderful and enlightening series called Real Sex, which they’re currently airing this month through early May. If you haven’t yet seen these in-depth looks into sex across the U.S., we urge you to check out the full HBO Real Sex schedule.

In Real Sex Xtra: Pornucopia: Goin’ Down in the Valley 03 about same-sex sex, Shar Rednour talks and demonstrates making S.I.R. Videos and how they’re so-o-o different than “girl-girl” flicks.

And Let It All Hang Out visits Take Her Down star and director Sondra Goodwin to get the skinny on all-dyke nude oil wrestling.

If you haven’t seen HBO’s Real Sex documentaries yet, do it! Also available on HBO On Demand.