Continuity mistake: When Carrie picks up Miranda she is standing still in both the front and back shots. Then Miranda starts to move and says "I'm kidding!" but the angle shot from behind still shows her stiff as a stick.
Continuity mistake: During breakfast, in the back shots of blonde Sam a brunette stand-in takes her place.
Cover girl - S5-E4
Continuity mistake: Carrie goes inside the changing booth to try on the pink outfit. Then after Stanford and Marcus arrive, Carrie suddenly whips the curtain open to reveal herself completely changed into the new outfit including shoes, after only 21 seconds. These events happen in real time; and there is no logical way that Carrie could have changed from one complete outfit to another in that time. (00:17:45)
Cover girl - S5-E4
Continuity mistake: When the weightwatchers guy is about to leave Miranda, her hands are crossed over her tummy or not, depending on the shot.
Cover girl - S5-E4
Continuity mistake: The second time a guy goes down on Miranda the sheets cover his nape or not depending on the shot.
Cover girl - S5-E4
Continuity mistake: When Sam asks for Stanford's boyfriend's opinion she is 30 centimetres away from Stanford. When the shot changes she is a metre away.
Cover girl - S5-E4
Continuity mistake: Carrie discards all the dresses and Sam lowers the ones she holds down to knee level. From the opposite angle she is holding them at chest level.
Cover girl - S5-E4
Continuity mistake: When Sam chooses dresses for Carrie her hand is either on top of the clothes hangers or behind, depending on the shot.
Cover girl - S5-E4
Continuity mistake: While choosing dresses, Carrie is holding the clothes rack or not depending on the shot. This swaps back and forth.
Cover girl - S5-E4
Continuity mistake: During breakfast, Carrie stops sipping form the straw and raises her head. From another angle she is still sipping.
Cover girl - S5-E4
Continuity mistake: The second time Miranda bites her Krispy Kreme, its shape changes at least 3 times.
Cover girl - S5-E4
Continuity mistake: When a woman picks up the book on the floor her bag is falling off her shoulder, sliding down her arm. A shot later it's resting on its shoulder.
Cover girl - S5-E4
Continuity mistake: When a woman picks up the book Charlotte threw the curb, the place where she is standing changes between shots: in the close-up she is suddenly next to the edge of a cement block.
Plus one is the loneliest number - S5-E5
Continuity mistake: In the park, Carrie holds the lower part of the McDonald's cup in oen shot, and the upper part a shot later. (00:05:30)
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.
Plus one is the loneliest number - S5-E5
Continuity mistake: At the hot dog place, Carrie's hands are on the counter or away, depending on the shot. No continuity at all.
Plus one is the loneliest number - S5-E5
Continuity mistake: When Sam tells Carrie she'll be her plus one, Carrie's right arm swaps between holding the fork and pinching food to being lowered under the table.
Plus one is the loneliest number - S5-E5
Continuity mistake: Berger shows the card to Carrie and puts it inside his pocket. A shot later his arm is down and he is putting it back in again.
Plus one is the loneliest number - S5-E5
Continuity mistake: During brunch with the girls, the way Carrie's napkin lies on the table changes in every single shot.
Continuity mistake: Miranda is in the toilet, her purple towel and scarf lying on the sink. When the shot changes the scarf is missing. (00:10:39 - 00:11:00)
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