The car chase involving the red Chevy and the subsequent shootout at the water tower are recycled footage from a previous season.
In the span of about two minutes 28-30, the action goes from dead of night to bright as day.
William Shatner and Gary Lockwood were in episode 4 of Star Trek "Where No Man Has Gone Before". It really should have been the pilot for William Shatner as Dr. McCoy wasn't in that episode.