The metallic blue Corvette Kent McCord was shown driving several times was the same make and model car that Martin Milner drove in "Route 66 (1960)."
A wise man once said; great hazards accompany innovation.
Jim Reed: Yeah. Who was that?
Pete Malloy: Me!
In many shows a gold 1967 Mustang with a white vinyl top may be seen either parked at the crime scene or cruising the street in the background.
At one point the opening credits changed from taking place during the day to taking place at night.