The Bridge - S1-E10
Revealing mistake: Agent Coulson turns the steering wheel several times despite the car being on a straight street.
Revealing mistake: Julia is throwing the tennis ball at the wall and is turning around to talk to Barbie. The military truck on her right has its front drivers tire on the line where the wall is supposed to be. This would mean that the whole front of the truck would be inside the dome. (00:07:44)
Slouching Towards Bethlehem - S2-E8
Revealing mistake: When Kenya is being held at gunpoint the pistol pointed at her has a visible seam running up the grip and the back of the slide. It's a plastic prop.
Revealing mistake: After Krystal goes to the bathroom, Sarah's phone is not in call mode.