Explore the cosmos with the Pawn Stars when a cast signed helmet from the 1960's TV show "Lost in Space" orbits the shop. Will Rick think it's out of this world or will he yell, "Danger"? Then, a strange antique object surfaces in the shop and has Rick and Corey scratching their heads. Will they unravel the mystery and make a deal or will they remain clueless? And later, a pair of sneakers signed by NBA legend Robert Parish shoots in. Will Chum lace up a sale or will he get benched?