Watch The Challenge: All Stars Season HD Full Free on solarmovie.do. Watch The Challenge: All Stars tv series online free. The iconic reality TV franchise kicked off in 1998 and featured cast members from The Real World and...The iconic reality TV franchise kicked off in 1998 and featured cast members from The Real World and Road Rules competing against one another and now, some of the most iconic and fiercest stars to ever appear are back in action.