The end of the episode is supposed to be six months later but all of the trees are still all bare as if no time had passed.
When Elizabeth pulls out her secret pack of cigarettes, she can clearly be seen grabbing a pack of Marlboro Lights which have always had white filters. In the next scene at the payphone she is smoking a cigarette with a brown filter, clearly not a Marlboro Light.
When Elizabeth and Young are walking out of the movie theater, Young is holding a plastic popcorn box, rather than the typical cardboard.
When Martha picks up the jar of peanut butter, it's a modern plastic jar with a plastic cap. Peanut butter jars of the time were glass with a metal cap.