s it better to "fake it" than be alone? Carrie thinks she likes being single; Miranda dates a guy and fakes orgasm; Samantha gets taken in by a club-owning jerk; and Charlotte convinces herself to like a "fix-it" actor friend.

Is cheating like the proverbial tree in the forest -- it doesn't exist if there's no one around to catch you? Carrie officially gets back with Mr. Big; Charlotte is swept away with the "Power Lesbian" elite; Miranda's new boyfriend makes her compete with his porno videos; and Samantha gets a "lightning bolt" from her personal trainer, Thor.