Enjoy those? This is one of my absolute favorites, it's only a total of about 45 minutes. But it's great. I uploaded this on youtube myself.

Supermassive Black Holes

YouTube - Supermassive Black Holes 1 of 5
YouTube - Supermassive Black Holes 2 of 5
YouTube - Supermassive Black Holes 3 of 5
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YouTube - Supermassive Black Holes 5 of 5


Enjoy, I will upload more documentaries later on when I get a free moment.