Road trip! CMT Hot 20 Countdown heads to the bright lights of Sin City for the Kobalt Tools 400. Tune in as we catch up with NASCAR driver Jimmie Johnson, hang out with legendary comedic magicians Penn and Teller, and check in with Rascal Flatts at the Hard Rock Hotel & Casino. Also on the show, we'll tell you who won the first round of voting in our Hot 20 Bracket and explore more Las Vegas hot spots. Catch all this and more Saturday and Sunday mornings at 9/8c.