Continuity mistake: While the girls walk down the street at night Miranda says "relationships are not about games" and the road behind is empty. A shot later in the close-up it's jammed with cars.
Twenty-something girls vs. thirty-something women - S2-E17
Continuity mistake: Carrie and the doctor are dating for the day after and a waiter approaches on the left. A shot later he disappears.
Twenty-something girls vs. thirty-something women - S2-E17
Continuity mistake: When Carrie meets the doctor there's a couch right behind them, plus a table next to him and another couch behind Carrie. A shot later they're surrounded by people despite the place being packed with stuff a second ago.
Twenty-something girls vs. thirty-something women - S2-E17
Continuity mistake: When Carrie meets the doctor there's a waiter behind them who walks away towards Carrie's direction but suddenly disappears in the following shot.
Twenty-something girls vs. thirty-something women - S2-E17
Continuity mistake: At the beach party, a fan meets Carrie who holds her beer with both hands or one depending on the angle.
Twenty-something girls vs. thirty-something women - S2-E17
Continuity mistake: When Samantha meets the doctor at the beach her legs are crossed or not depending on the angle.
Answer: A popular brand of sexual lubricant. See http://www.k-y.com/index.jsp.
J I Cohen