An estimated 15 million Americans are active in the "swinger" lifestyle. From house parties in suburban Arizona to swingers' clubs in Nashville and workshops in LA, we explore what's at stake when couples test their sexual boundaries and learn to swing. Check out the videos from this episode:

Swingers Next Door: A Lesson in Swinging

Deleted Scenes: The Rules of Swinging

Deleted Scenes: Don't Take One For the Team

Deleted Scenes: The Swinging Lifestyle