Aidan says the three big words, leaving Carrie guilt-ridden about her affair with Big; Samantha fears she will end up alone; Miranda discovers phone sex.
Carrie's affair with Big strains her relationship with Aidan; Charlotte develops bride-mania; Miranda is attracted to a man who wears a sandwich costume.
Carrie deliberates over being honest with Aidan about her affair with Big; Charlotte changes her mind the night before the wedding; Miranda the stewardess.
Carrie's meeting about a possible film based on her column gives the girls a chance to go to Los Angeles; Charlotte tries to turn around her sexless honeymoon.
A comic book store owner rejuvenates Carrie; Samantha is hired by a wealthy 13-year-old; Miranda has to get braces; Charlotte demands that Trey see a therapist.
Carrie tries to teach a seminar on how to meet men, but her students turn on her and want to know why she's still single if she's supposed to be an expert.
Carrie is asked to model for a charity show; Samantha poses for revealing photos; Charlotte is forced to get to know herself better; a man finds Miranda sexy.
Carrie ponders whether great sex is an indicator; Samantha dates someone she really likes; Charlotte explores old territory; Miranda decides against sex.
Carrie is surprised to learn that Steve has partnered with Aidan to open a bar Miranda influenced him to start; Charlotte sees Bunny's influence in her home.
Samantha experiments with novelty nipples; Carrie's leap into the information age reunites her with Aidan; Miranda ponders men's infatuation with butts.
Carrie learns a valuable lesson after her computer crashes; Samantha searches for an elusive climax; Miranda's personal crisis shines new light on things.
Big goes to the cabin seeking Carrie's support, but he gets drunk and has to spend the night, angering Aidan; Steve has one testicle left after his surgery.
Miranda discovers she's pregnant and decides to have an abortion; Charlotte learns she has a slim chance of conceiving a baby and is furious with Miranda.
Carrie vomits when she finds an engagement ring in Aidan's bag; Miranda tells Steve she's pregnant; Trey tells Charlotte he doesn't want to try for a baby.
Carrie becomes claustrophobic when Aidan moves into her apartment; Trey gives Charlotte a cardboard baby; Miranda considers the prospect of pregnant sex.
When forced to either vacate or buy back her apartment from Aidan after their split, Carrie's friends all offer her financial help, except for Charlotte.
Carrie's disgruntled after her new boss at Vogue tells her to rewrite her first story; Charlotte throws Miranda a baby shower; Samantha has a threesome.
Big tells Carrie he's moving to Napa Valley, but their last night together is interrupted when Miranda goes into labor; Samantha suspects Richard of cheating.
The girls all adjust to Miranda's new life with Brady; Carrie considers if she has already experienced all the great loves of her life; Samantha evokes revenge.
Carrie is approached about publishing a book from her past articles; Samantha gets back together with Richard; Miranda and Steve decide to baptize Brady.
Carrie runs into a woman who dated Aidan after her and implies that Carrie messed him up; Miranda struggles with baby and sanity; Charlotte hires a lawyer.
Carrie and Samantha travel by train to San Francisco for Carrie's book tour and a hopeful encounter with Big; Charlotte decides to bed her sweaty, bald lawyer.
Samantha throws a pool party at Richard's house in the Hamptons; Carrie runs into a newly-single Berger; Charlotte falls for Harry; Miranda sleeps with Steve.
Carrie stresses about her first date with Berger; Charlotte considers converting to Judaism; Miranda decides she's in love with Steve; Samantha gets stock tips.
Carrie and Berger move into a more serious relationship; Miranda is still upset about Steve's relationship; Charlotte accelerates her religious conversion.
Samantha decides she's going to make Jerry a star; Carrie worries that she is rubbing her success in Berger's face; Charlotte's still sad over Harry leaving.
After Berger dumps Carrie via a Post-it note, the girls all bask in their sorrow at a dive bar where they manage to score some pot and a visit with the cops.
Charlotte is upset when it seems that everything that could possibly go wrong at her wedding actually does, and Carrie regrets sleeping with the best man.
Miranda embarks on a relationship with Dr. Leeds; Carrie dates an old high school flame, now committed to a mental institution; Samantha's sick of the heat.
Big returns to New York to have an angioplasty, sparking old feelings from Carrie; Smith tells Samantha he loves her, and she decides things could be worse.
Carrie meets a famed Russian artist and falls prey to his charm; Miranda confesses her feelings to Steve; Charlotte has another setback in conceiving a child.
Samantha puts her relationship with Smith on the line; Steve moves in with Miranda; Carrie decides to sleep with Aleksandr; Charlotte donates her time.
Petrovsky drops the bombshell to Carrie that he does not want any more children; Samantha goes to a top female doctor; Miranda and Steve take their honeymoon.
Samantha bravely shaves her head after chemo leaves her with pieces falling out; Steve and Miranda buy a house in Brooklyn; Charlotte adds to the family.
Battling rumors that Smith is gay, Samantha "leaks" a tape to the press in which both of their sexual preferences are very clear; Petrovsky is very stressed.
Carrie is feeling cut off from her own reality in Paris; Charlotte sets up a meeting between her, Big, Miranda and Samantha to help Big get Carrie back.
Wondering if Petrovsky will ever put her first over his art, Carrie begins to think she made a mistake in coming to Paris; Smith tells Samantha he loves her.