8. The Uniforms Were Made In A Sweatshop
There was actually a lot more to the uniforms in the original series than you think. The infamously doomed red shirts indicated support services – such as communications, engineering, or security – whilst the blue tops of Spock and Bones were to identify them as science officers, and the yellow of Kirk, Sulu and Chekov meant they were on the command track.
Eventually those outfits became just as iconic as much of the other production design on the series, although in this case it came at a price. Because of that insanely low budget the production was working on, they couldn’t afford to get proper costumes provided by union-approved labourers.
So instead those iconic outfits were made by what were essentially sweatshop workers, in sweatshop conditions. They were non-union-approved, made overnight and then smuggled in through the back door to be used for shooting the following morning. Not quite the utopian world of Star Trek…