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 5 of 25 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 5 Won't You Be My Neighbour? Learn even more about everyone's favourite neighbour, Mr. Rogers, in this sweet documentary about his life and show. Watch Won't You Be My Neighbour? on HBO. Previous Next Start Slideshow HBODocumentaries