As Andy sits to talk with Mr. Wakefield, a beagle is lying on the table facing to the right, toward Andy. Moments later, the beagle has rotated 90 degrees and is facing to the left, toward Mr. Wakefield.
At the 00:57 mark, as Aunt Bee is descending the stairs to answer the door, she reaches for the light switch. There is a click, the light comes on, but she merely covers the switch with her hand and it remains in the down (off) position when she continues to the door.
After unloading each shotgun, Andy returns the wrong gun to each of the combatants.