Continuity mistake: Carrie offers Alek a french fried potato zigzag shaped, but when she says "It's French" it swaps to straight.
Attack of the five foot ten woman - S3-E3
Revealing mistake: When Charlotte finally undresses in the sauna, she throws the towel to the floor and removes her hand from her breast, but a white bra is briefly seen.
Plus one is the loneliest number - S5-E5
Continuity mistake: The hot dog store clerk hands Carrie her hot dog. From the opposite angle she is empty handed and he is handing it again.
Continuity mistake: When Debbie talks about the Knicks she places her arm on Steve's back, but it disappears in the opposite shot.
Continuity mistake: The number and colour of the domino tiles on the floor are not continuous between shots.
A woman's right to shoes (a.k.a. no shoes, no service) - S6-E9
Revealing mistake: When Charlotte and Carrie walk down the street there's a group of bystanders behind watching the filming. One of them is even taking pictures.
Continuity mistake: When Sam gets caught at the pool, Miranda holds her glass with her left or right hand, depending on the shot.
Visible crew/equipment: When Carrie and Aleksander arrive at the museum, he turns to close the cab door and his back is facing us. You can see the outline of a long cable running vertically down the center of his back, protruding from under his jacket. This cable goes from his neck down to the bottom flap of his jacket, and must be part of his mic. (00:31:00)
A woman's right to shoes (a.k.a. no shoes, no service) - S6-E9
Continuity mistake: When Carrie arrives at the party she is given a drink with a miniature baby decoration on the right side. A shot later it's on the left side.
A woman's right to shoes (a.k.a. no shoes, no service) - S6-E9
Continuity mistake: When Harry leaves the tea bag on the counter, its position and that of the string and label attached to it, changes between shots.
Continuity mistake: While drinking with Jerry, Sam toasts with her right hand, but a shot later she holds the drink with her left.
The post-it always sticks twice - S6-E7
Continuity mistake: Charlotte puts her hand on Sam's to show her her ring. The position of Sam's hand changes between shots.
Lights, camera, relationship - S6-E5
Revealing mistake: Right when the episode starts, a group of bystanders gather to stare at the filming.
Lights, camera, relationship - S6-E5
Continuity mistake: After the play, Jerry takes off his jean jacket, but it suddenly appears at elbow level half a second later.
Continuity mistake: Miranda's baby is definitely not the same baby that appeared in the previous episode.
Continuity mistake: When Miranda takes out the strip of condoms, they swap between falling straight to zigzag shape between shots. Also the way she holds them changes between shots.
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