在拉斯维加斯的舞台上，ImagineDragons燃烧着音乐的热情与能量。萌学园上快乐大本营是哪一期

　　Follows Imagine Dragons and the performances of the band's top-charting hits during their current "Mercury Tour" and old interviews. They also describe the band's development, the highs and the lows. 　　Director