While singing "Hopelessly Devoted to You", Olive puts a chair up on a table. Later, when she sits down, that chair is back on the floor.
While at the Pie Hole, Chuck is either braless or wearing a conventional bra. In the subsequent scene at the car show where she is wearing the same dress, she is wearing a push-up bra.
The narrator states that Emerson Cod "finished purling the row," Emerson is actually knitting it.
Use of a Taser does not knock people out as shown. It is a pain compliance device where the subject must be conscious for it to work.
When Ned, Chuck and Emerson jumps in the pit of crash test dummies, Ned and Chuck's hand touches which would kill Chuck.
When Ned, Chuck and Emerson are following Jeanine in Ned's car, Ned keeps looking as if to his rear view mirror to look at Chuck as they talk. However no rear-view mirror exists. The mirror returns later after the plastic divider is installed in the car.