In the "Pineblock Derby" episode of the Bill Engvall Show which first aired on 7/3/08, Bill is trying to help his son Bryan build a PineBock Derby car.
The first slip-up comes when Bill runs the pine block through his table saw. The saw shoots the piece of wood away from Bill and through a window. Any wood worker will confirm that a table saw can not shoot a piece of wood away from the operator.
In the same episode, Bryan is mad at Bill for lying to him. Bryan sets down a small figurene that he used as the driver of his Pineblock Car. As the camera switches between Bill & Bryan, the figurene mysteriously moves back & forth about 6 inches.