Edited 3: to make your work easier it isn't necessary to write the name of the episode
You wrote:
this shot is from episode 1.7, "Andy the Matchmaker."
The Caddy is from episode 1.3, "The Guitar Player," and is driven by the actors playing "Bobby Fleet and his Band With a Beat." (Minor action vehicle or used in only a short scene)
This shot is from just before that crash, episode 6.13, "Aunt Bee Takes a Job.

When you can simply can say:
(pic)make and model if you know it 01.07 3***
(pic) make and model if..01.03 2**
(pic) make and model if..06.13 3***