I don't know who the last Cylon is. I don't even know who the first Cylon is. But I do know that sci-fi nerds are busting out of their Storm Trooper cod pieces in anticipation of new Battlestar Galactica episodes. But why wait for second-rate sci-fi, when you can have the top-shelf stuff right now? Last night, Stephen Colbert aired the latest installment in the pulse-pounding, eye-popping, horniness-inducing Tek Jansen saga. If you missed any of the past volumes, here's a refresher.