Continuity mistake: After Carrie bumps into Miranda on the street, when they say goodbye the street is empty but a shot later it's packed with people.
Visible crew/equipment: Lighting screens reflected on Carrie and Sam's lenses while they have a snack at the flea market.
Four women and a funeral - S2-E5
Continuity mistake: While Carrie is bowling with Big, there's a man behind them with a moustache holding his smoke upwards with his left hand. A shot later his arm is lowered.
Four women and a funeral - S2-E5
Audio problem: When Charlotte dates Max we hear him say "this was fun" but his mouth is saying something different.
They shoot single people, don't they? - S2-E4
Continuity mistake: When the girls are eating, a waiter brings the check to Samantha. She holds a fork in her right hand but a shot later the fork is gone and her hand is magically on the wallet. She hands the credit card and when the shot changes she is holding the fork again.
Four women and a funeral - S2-E5
Continuity mistake: When the four are eating there's a waiter by the table behind who walks towards the right side. In the close-up of Sam, the waiter disappears.
Four women and a funeral - S2-E5
Continuity mistake: After Miranda buys her home and all four are eating, Sam's bag is pointing in a 4 o'clock position in one shot, but a 6 o'clock position in the next.
Four women and a funeral - S2-E5
Continuity mistake: While in the car after the funeral, Sam's coat is either covering all of her elbow, or leaving a bit uncovered, or a big part uncovered, depending on the shot.
Four women and a funeral - S2-E5
Continuity mistake: After the funeral, Carries takes a cigarette out of the pack. A shot later in a close-up she is repeating all previous movements.
They shoot single people, don't they? - S2-E4
Continuity mistake: When the episode ends a lighting screen is reflected on Carrie's lenses.
Continuity mistake: When Carrie and Miranda walk through the park with the boys there's a man in a blue and yellow jacket behind who suddenly disappears. (00:15:20)
Continuity mistake: While Carrie strolls through Central Park with friends there's a living statue version of Lady Liberty behind, standing and talking to people. A shot later the people are gone and the statue is seating on a bench.
Continuity mistake: When Carrie sits by the fountain the whole scene swaps between close-ups of her or the boy with a very sunny light, and wide angles of both with a cloudier grey atmosphere.
Continuity mistake: When the counselor tells Sam to play sexual games her boyfriend's hand is away, but a shot later it's suddenly on her shoulder.
Continuity mistake: When Sam's boyfriend says "our sex life is diminished" his hand is on her right shoulder. A shot later it's on her left shoulder.
Take me out to the ballgame - S2-E1
Continuity mistake: When Carrie meets Miranda and says she needs to talk about Big, Miranda holds her mug with two hands or one, depending on the shot. This changes back and forth.
Take me out to the ballgame - S2-E1
Continuity mistake: When Miranda tells the girls to stop talking about sex and men, the way the bills are laid on the table changes between shots.
Take me out to the ballgame - S2-E1
Continuity mistake: When Miranda pays for the breakfast the blue napkin on the table keeps changing positions between shots.
Take me out to the ballgame - S2-E1
Continuity mistake: When Miranda is replied about "Charlotte's boyfriend's balls" she grabs a mug. A shot later she's got a wallet instead.
Take me out to the ballgame - S2-E1
Continuity mistake: Miranda leaves to order the breakfast check and Sam starts to take a spoon of cereal to her mouth. A shot later Miranda shows up (all of the chitchat continues, so there's no ellipsis) and Sam's spoon is back in the bowl and she is already chewing. The part of her eating is missing.
Answer: A popular brand of sexual lubricant. See http://www.k-y.com/index.jsp.
J I Cohen