The ultra-cool rock band Spice Army is in town, and Midvale has gone mad for their music! But it's not just about the music-Spalding is now sporting a punk-rock haircut and a tongue ring. As if that's not enough, the boy genius is suspected of several break-ins at stores around town. Meanwhile, Doc's oscillating audio spectroscope-her newest invention-is picking up signals from . . . outer space? As Sean and Melissa race to solve their craziest mystery yet, they learn a lesson that truly is out of this world.