S1 E5: It is America's most infamous address, a place where fantasies come to life--and anything goes. But behind the security cameras and stonewalls of the Playboy Mansion are secrets. Go inside the stately residence to reveal the secret places, decadent gatherings, and special indulgences usually reserved for beautiful women and Hollywood's elite. How hard is it to get an invitation to the Playboy Mansion? How did Hugh Hefner transform the Mansion into a palace of pleasure? Who is the most notorious guest? What does it take to protect the Mansion for outside intruders? Home to one of the world's most private of public figures, the Playboy Mansion is a sanctum of secrets.