The Conflict - S3-E1
Other mistake: After seeing the new house, Martha Corinne and Esther are at the back of the truck talking while John is driving home. During their conversation the truck is not actually moving (it's shaken to give an impression of movement), as we can see no change in scenery through the small rear window and at the left side of the screen in shots facing Esther. Additionally, Olivia is visible through the rear window sitting in the front seat, and she's wearing dangle earrings, which she does not wear in the scenes before or after (presumably it's the stand-in sitting in the seat). (01:01:10)