The dog's collar can-holder is only big enough for one beer can, but seconds after the head geek takes the can out, another can magically appears in it.
Kimberley sits down on the patio chaisse-lounge twice.
Kimberly's top gets torn by the dog (we hear it tear). Moments later, she is seen wearing same top, undamaged.
Scotty's sunglasses disappear then reappear during the phone number collection at the mall.
When Michelle is on Ashby's back and yells, "Ride 'em, cowboy!" her mouth isn't moving.