It's season 1, episode 8 - "Three's a Crowd"!! Charlotte brings the idea of threesomes to this early series ep while Samantha forms an accidental love triangle of her own. Carrie has a psychological threesome with the idea of Big's first marriage and Miranda feels justifiably left out because none of her friends will sleep with her. If your friends won't go down on you, who will?!!! (lots of people)Xx HAPPY PRIDE!! xX