The pickup truck that explodes at the end of episode #9 has its bonnet flung away. The burnt out vehicle has the bonnet firmly attached.
The name tags and US Army Tags on the front of the BDU Field Jacket of Walker are reversed.
At approx. 51 minutes, when all the vehicles show up at the family home in Lubbock, many mountains can be seen in the background. Lubbock is just about the flattest place on the planet, and there are no mountains anywhere near this part of Texas.