S1, E3: Jimmy's attempt to cool off the summer heatwave in Retroville has the unexpected result of plunging the city into a new Ice Age. / Jimmy, Carl and Sheen form a band in order to beat out Cindy and Libby for the school talent contest first prize. With Jimmy's souped-up instruments, the band sounds amazing. But egos swell out of control, and the ensuing bickering between the band-members almost destroys their friendship.