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 3 of 25 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 Game of Thrones: The Last Watch If you're a Game of Thrones fan, you can't miss out on this behind-the-scenes look of the series wrapping up. Watch Game of Thrones: The Last Watch on HBO. Previous Next Start Slideshow HBODocumentaries