Other mistake: Several people, believing a treasure is hidden inside the Trails End saloon, are tearing the wooden building apart. To stop them, Joe pulls out his gun and fires a shot into the ceiling. Even though he held the gun at a 75-degree angle in front of him, the falling dust and plaster land directly on top of his head.
Other mistake: The episode opens with Ben Cartwright ascending an outdoor staircase to a land office. The sound of a howling wind can be heard but no dust or leaves are blowing and all the surrounding bushes and trees are motionless.