Farnsby & B - S1-E18
Other mistake: The ghost in the Farnsby's house knew Ronald Reagan as an actor but in 70 years she didn't know he was elected President even though she would have heard about it from people who lived in the house during his terms.
Other mistake: When Tarkin walks out of the Batch's quarters and the shock troopers follow him, the one on the right side of the door has his hands positioned to hold a blaster, but no weapon is present. (00:38:35)