First things first: GALAXY QUEST. If you have not yet watched it, then you are in for a treat. Go buy it or whatever and then watch the Honest Trailer.
Now, if you want to watch NEVER SURRENDER, which is the documentary about Galaxy Quest, you can get it here. Feel free. Really: Christmas is coming up and the referral money’s always nice.
Even better news!
https://www.thefarside.com/about/48/a-letter-from-gary-larson