When Elvis brings out the binoculars, the flies buzzing around Pappy suddenly disappear.
Bugs Bunny's hole in the ground changes locations. It is shown practically next to the tree he runs into then is shown a few feet away from the tree later on.
When turning the hose on and off, Bugs actually turns the valve clockwise to turn it on (open), and counterclockwise to turn it off (close). Standard valves open (turn on) by turning them counterclockwise, and close (turn off) by turning them clockwise.