Popsugar Entertainment Hbo Best HBO Documentaries | 2020 25 Powerful Documentaries You Can Watch on HBO Right Now 7 April 2020 by Hedy Phillips View On One Page Photo 20 of 25 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 20 The Inventor: Out For Blood in Silicon Valley This documentary follows Elizabeth Holmes and the now-defunct Theranos in Silicon Valley, CA. Watch The Inventor: Out For Blood in Silicon Valley on HBO. Previous Next Start Slideshow HBODocumentaries