In an extra special episode celebrating The Challenge's 500th episode, Tori and Aneesa are joined by the show's creator, Jon Murray. They discuss how The Real World and Road Rules paved the way for The Challenge, the biggest hurdle in the show's development process, and some of the reality TV pioneer's favorite memories from across 500 episodes.

Watch new episodes of The Challenge every Wednesday, and go behind the scenes with Tori and Aneesa the next morning, on MTV's Official Challenge Podcast.