Real World Road Rules Challenge: The Ruins is the 18th season of the MTV reality television game show, The Challenge (at the time known as Real World/Road Rules Challenge). This is the last season to use Real World/Road Rules in the on-screen title, before being shortened to The Challenge in the 19th season. The season premiered on September 30, 2009 and concluded with the "S#!t They Should Have Shown" special on December 23, 2009.