The flashing lights on Roscoe's patrol car get crushed when he rolls the car after his encounter with the flatbed truck and cardboard boxes, yet when the Dukes look back to see if Roscoe and Boss are okay, the lights are flashing and undamaged again.
When attempting to locate Daisy Duke, Roscoe says a 5'8" blonde checked into the Hazzard Hotel, and Boss responded saying Daisy wasn't that tall. In reality, actress Catherine Bach, who portrayed Daisy, was 5'8".