Continuity mistake: During the wedding, Sam is at the bar and asks for another Cosmopolitan but her glass is full (which makes no sense). When the waiter grabs the glass it's magically empty.
Continuity mistake: When Madeline asks Carrie to write something for her wedding, Carrie's pony tail moves to behind her shoulder.
Continuity mistake: When the girls are drinking on the steps of the house, Carrie talks about the toothbrush and her glass is lowered while she disposes the ash of her smoke. Half a second later her arm is raised and she is drinking.
Continuity mistake: After the party where a couple announces they're getting married, the girls are sitting on the steps having a drink. Sam takes a sip and lowers her arm. A shot later her arm is raised and she's lowering it again.
The man, the myth, the viagra - S2-E8
Visible crew/equipment: When Samantha is having diner with Ed and she is about to discover what present is under the plate dome, a boom mic is reflected on the silver.
The man, the myth, the viagra - S2-E8
Visible crew/equipment: When Ed toasts with Samantha and says "a toast to fun" a boom mic is very briefly reflected on his glass.
The man, the myth, the viagra - S2-E8
Continuity mistake: After Sam has diner with Ed, he sits on the couch and extends his left arm towards the lamp. A shot later his arm is bent and he is extending it again.
Continuity mistake: Carrie holds her fork with her right hand, but half a second later it's in her left hand. Then it reappears in her right hand. (00:04:59)
Continuity mistake: When Steve is dozing and Miranda wakes him up, his hands lay by his sides or are crossed on his tummy, depending on the shot. (00:18:51)
Visible crew/equipment: At the phone booth, Steve says "blue moon", and right then two lighting screens get reflected on his lenses. (00:23:42)
Continuity mistake: After Big asks for permission to smoke his cigar, Carrie's arms are either under the table, or on the table depending on the shot.
Continuity mistake: Carrie cools Big's swollen nose and he touches it with his right hand. A shot later, his left hand is raised.
Continuity mistake: At the bingo place, Miranda's Martini is on the table, but a shot later she is holding it.
Continuity mistake: Sam says "it's not what they look like, it's what they can do with it" and holds her fork next to her mouth. From the angle shot from behind hand and fork disappear.
Visible crew/equipment: When Charlotte approaches Wyle in front of the fire extinguisher, the boom mic is visible at the top of the screen. (00:10:40)
Continuity mistake: While dining with Big, Carrie takes a puff of her cigarette and bends her head to the right. From the opposite angle her head is straight as it was in the previous shots before she smoked.
Continuity mistake: The waiter brings Big and Carrie's dishes but when the shot changes to Carrie she already has her plate served.
Continuity mistake: When Carrie and Big are having dinner she drinks some wine but form the opposite angle her arm is down and the glass is gone. This swaps back and forth.
Continuity mistake: When Carrie removes a bread crumb from Big's mouth she uses her thumb. From the opposite angle she is reaching again but this time she uses 3 fingers.
Visible crew/equipment: During the scene when the four girls are at the bar talking, you can briefly see the boom mic swing quickly overhead at the top of the shot. (00:06:10)
Answer: I'm a long-time fan of the show, having re-watched it many times, and I definitely remember slightly different dialogue at the end of that episode than what's on my DVD. I'm afraid I have no idea why this change might have been made or any other info, but you're not insane.
Purple_Girl