An unprecedented look at pop superstar Elton John and his remarkable collaboration with his early career idol, Leon Russell. For more information on HBO .\rbr\rbrTahrir Square chronicles the 2011 people-powered revolt in Egypts Tahrir Square that brought down a dictator and changed Egypt forever. Premieres 125 at .\rbr\rbrThe new HBO Documentary Film, Marathon Boy, premieres on Thursday, November 3rd at 8PM. For more information on HBO Documentary Films, visit .\rbr\rbr\rbr\rbrSubscribe to HBO Docs: To win, we have to lose. The four-part HBO Documentary Films series, The Weight of The Nation explores the .