Will Carrie Underwood reign again in the top spot or will there be a new No. 1 on this week's CMT Hot 20 Countdown? Tune in to find out. Plus, we'll explore which stars are continuing a family tradition and dive into one of country music's favorite topics when we revisit the five best music videos about unfaithful lovers. Then check out how far Luke Bryan's new video, "That's My Kind of Night," has climbed and see a fellow country star's best Bryan impression. You won't want to miss this and much more on an all-new episode.