Samantha treats everyone to a day at the spa, but her sexual antics get her in trouble. Miranda's new Ukranian housekeeper takes cleaning up Miranda's life too far. Boy, Girl, Boy, Girl Carrie engages in a game of 'Spin the Bottle' with her bisexual love interest. Samantha deals with a chauvinistic new assistant. Miranda begins to embody 'guy' attributes when her relationship with Steve grows claustrophobic. No Ifs, Ands, or Butts Carrie considers quitting smoking when her habit almost ruins her chances with Aidan.
Charlotte's first date with Brad is perfect Samantha's relationship with a sexy African American guy is challenged by his sister. Samantha's late-night visitors are seen as the cause when an old woman in her building is robbed.
Miranda finds out that she has an STD. Carrie learns that romance isn't dead when Aidan decides to wait until the time is right to do the deed. Drama Queens Carrie begins to question her relationship with Aidan, but an unexpected encounter with Mr. Big makes her realize the less drama, the better. Miranda discovers she's living with 'skidmark man. The Big Time Charlotte tells the girls she thinks her new love Trey may be 'the one. Carrie has more surprise run-ins with Big.
Charlotte achieves her goal and gets engaged, but not the way she had hoped. Samantha decides to put her 'pick of the week' on a new diet to improve his funky-tasting 'spunk.
All or Nothing Aidan finally says 'those three words,' leaving Carrie guilt-ridden about her affair with Big. All is well with Charlotte's new engagement--until Trey springs an all-too-odd prenup on her. Meanwhile, Miranda discovers the wonders of phone sex! Running with Scissors Carrie's affair with Big puts a strain on her relationship with Aidan--prompting her to seek out advice from Miranda.
Charlotte's wedding plans go awry. Miranda is attracted to a man in a sandwich costume. Samantha considers taking an AIDS test. Don't Ask, Don't Tell Charlotte's fast-approaching wedding continues to cause trouble as the bride has a fallout with Samantha over the proper way to wear a bridesmaid's dress while also discovering that Trey may need a dose or two of Viagra.