Movie Rating 5 0A prequel to Tremors (1990), this movie tells us about the founders of Rejection Valley and how they defended it against the dirt dragons AKA graboids. Download: Tremors 4: The Legend Begins Summary 5.0 normal Tremors 4: The Legend Begins (2004) 0A prequel to Tremors (1990), this movie tells us about the founders of Rejection Valley and how they defended it against the dirt dragons AKA graboids. Download: Tremors 4: The Legend Begins August Schellenberg Billy Drago Brent Roam J.E. Freeman Lydia Look Michael Gross Ming Lo S.S. Wilson Sam Ly Sara Botsford Streaming and download link will work only for Authorized Users. Read this for more info.