In the scene where Peggy is driving Luanne to the trailer park, Peggy's dress is purple from the side view but when the camera is in front it is green.
The egg disappears from Bobby's face within seconds.
En route to the trailer park, Hank's truck stalls out due to the fuel filter, however it's still moving as Hank tries to restart it.
Stretch Armstrong is a toy, not a Marvel superhero.
Luanne and Peggy see the fork that Luanne says her Mama stabbed her dad with. This would not have been left in the trailer, and would have taken by the police and filed into evidence in the attempted murder.
A metal pole sound plays when Hank grabs onto a wooden utility pole to brace for the incoming tornado. However, it's likely that sound is meant to be the beer can hitting him in the head.