Star Trek The Original Series (The Making of Documentary)
I’ve not been able to find any other info about this “documentary.” It seems more like several bonus feature clips edited together. But it’s all quite interesting regardless. If anyone knows exactly where this is from, please let me know so that I can update this post.
Billy Blackburn’s Treasure Chest - Rare Home Movies from the Sets of Star Trek: The Original Series (Season 2)
https://www.youtube.com/watch?v=ZaAiT7Y_ZCc - from the livia kapitelli YouTube channel (12 mins long).
There are similar videos for seasons 1 & 3, but I couldn’t find them on YouTube.
I did however find this [Season 1 BTS Home Video Compilation(https://www.youtube.com/watch?v=BXqVv-FQqyo) without the Blackburn interview segments.
Leonard Nimoy - Star Trek Memories Documentary (1983)
https://www.youtube.com/watch?v=gmtfptOTR0k - from the Bob Carroll YouTube channel (42 mins long).
“Leonard Nimoy: Star Trek Memories was a TV special which was produced in 1983 and first aired in 1984. It was hosted by Leonard Nimoy and featured the actor discussing the making of The Original Series and the first two Star Trek movies, Star Trek: The Motion Picture and Star Trek II: The Wrath of Khan. It also included a short preview of Star Trek III: The Search for Spock.”
IMDB link & Memory Alpha link