The amount of champagne in Tony's glass changes when he tells AJ to slow down and savor it.
During the dinner shortly after Tony and Carmela get back together, they pour some champagne but throughout the dinner the amount in the glasses changes many times from a quarter full to almost full to half full...yet no more wine was poured.
The clock on the wall in the FBI office reads 7:20 then a couple of shots later it has moved backward to 7:19, and in the next shot it reads 7:20 again. In addition, the second hand is not moving.
When Adriana has her daydream (escaping on the interstate) and looks at her red valise while driving, the automatic transmission gear shift can clearly be seen in the "parking" position (upper top).
When Adriana is shown driving the car the steering wheel is turned enough to the side to not allow straight travel.
Cubitoso refers to Christopher as Adriana's boyfriend when in fact his her fiancée.