An unexpected day off from school turns into the adventure of a lifetime! When a flying saucer crash-lands in Riverdale, Archie and Jughead come face-to-face with the one and only Cosmo the Merry Martian! His now-damaged space ship is threatening to make him late for a very important meeting at the Diner at the Center of the Universe -- and without Cosmo there, the fate of the entire galaxy could be at risk! Archie is prepared to save the day, and you can bet that if a diner's involved, Jughead's on board! Get ready for intergalactic adventure and classic Archie Comics characters galore in an out-of-this-world story by comics great Tom DeFalco!