AppleTV library has none of my purchases.
None of the movies or TV shows are showing up in my AppleTV library on my Mac. I have signed in and out and they are not there.
Outside of them being purchased with a different AppleID...
Is it possible that they were inadvertently hidden?
Check this link to verify:
Hide purchases from the App Store - Apple Support
Scroll all the way through the page, as you might find a solution further down the page.