Other mistake: When Carrie leaves through the tunnel to the street, when she comes out of the store there's a shot of 2 people kinda looking at her. That shot was horizontally flipped - look at the sign on the door. (00:34:05)
Other mistake: Torey Martin says that he had an accident 5 months before, but the car crash evaluation is signed 31/07/2016. Not only it was a Sunday - unlikely day for the car shop to be working -, but that would put the events of the episode on January, contradicting the bank statements and what was established in previous episodes.
Camp Redwood - S9-E1
Other mistake: When the group enters the infirmary, none of them are soaked from the downpour of rain happening outside.