The drought - S1-E11
Continuity mistake: When Carrie farts, Big's right arm is over his head on one shot and extended over Carrie's head on the following. Then back to the first angle.
The drought - S1-E11
Continuity mistake: When the yoga teacher says "let the breathing go with you" Samantha's arms are lying by her side, half a second later they're spread apart, without her having made any previous movement.
The drought - S1-E11
Continuity mistake: During yoga class, when Sam tells Carrie to "f*uck Big's brain", Carrie's hands are on her head or down. This changes all the time.
The drought - S1-E11
Other mistake: When Carrie is trying to kiss Big, the reflection on the TV doesn't match the opposite side: The lamp and Carrie are missing.
Answer: A popular brand of sexual lubricant. See http://www.k-y.com/index.jsp.
J I Cohen