Continuity mistake: When Aidan and Steve argue about who's going to the toilet, Steve leans forward, but from the angle shot from behind his back is against the seat.
Continuity mistake: When Aidan says he's going to the toilet, Miranda's drink is on the table, but a shot later she is drinking. Then she lowers her hand but from the opposite angle she already has it lowered.
Continuity mistake: While having dinner with Steve and Aidan, the latter has his hand next to Steve's neck, but it disappears in the angle shot from behind.
Continuity mistake: While eating, Sam says "wait for the signal" and grabs the cutlery. A shot later her arms are lowered behind the table.
Continuity mistake: When Miranda talks about her date licking her butt, the food on her fork disappears between shots.
Continuity mistake: At the store, Tricia's daughter is looking at the left or straight on, depending on the angle.
Continuity mistake: When the girls are drinking Martini, Miranda lowers her glass twice.
Continuity mistake: When Carrie confesses Charlotte that she is calling Aidan, the dancers moving and waving their arms wildly behind Charlotte disappear between shots. One might argue that it's because of the angle of the shot, but they're all moving around all the time and at least their arms should be visible.
Continuity mistake: During dance class, when Carrie confesses she calls Aidan, the same woman walks behind her twice.
Continuity mistake: During dance class, when the teacher says "every movement has a meaning" Carrie's right arm is down or raised depending on the shot.
Continuity mistake: When Miranda says "that's a big maybe" Sam is drinking coffee, but a shot later her arm is lowered. (00:02:12)
Continuity mistake: When Charlotte says she wants to quit her job, her hands are on the table. A shot later they are lowered. (00:02:45)
Continuity mistake: When Aidan is cooking, two set lights are reflected on the cupboard.
Continuity mistake: When Carrie leaves the bar, Shayna extends her arm towards the peanuts, but half a second later they're crossed.
Continuity mistake: When Miranda lies on the rug, the phone is next to the upper part of the rug. When the shot changes, it lies on the middle part, away from the rug.
Continuity mistake: When Sam runs towards the cab, the passers by are not continuous between shots.
Continuity mistake: When the waitress brings Charlotte's breakfast, a shot later the waitress is magically gone, Charlotte's hand is on the mug and, last but not least, the blue napkin disappears.
Continuity mistake: During breakfast, when Carrie says she "worked harder than her SATs" Sam's mug is close to Charlotte's bowl, but a shot later Sam is holding her mug, This swaps back and forth.
Continuity mistake: During breakfast, when Sam says "Honey, he's a keeper", lighting screens are reflected on her sunglasses.
My motherboard, my self - S4-E8
Continuity mistake: When Sam is about to have an orgasm, his lover's hand is on her arm in one shot, but lowered and then reaching for the back in the following shot.
Answer: Yes, it is.