Cold Case - 1965 Camaro?
In the Cold Case episode "A Perfect Day", there is the scene at a Drive-In Restaurant that shows cars of that era parked at the curb. As the camera pans down the line of cars, you see a 1967 Chevy Camaro parked in the line. The episode is 1965, the Camaro wasn't available until the fall of 1966.
Collector car book