Dallas science fiction lovers, you officially upped your game at this year. Maybe you pushed it to 88 because Christopher Lloyd was a special guest -- or perhaps we got collectively dorkier since 2012's Sci-Fi Expo -- but however it happened, we all won. You guys suited up as Fresco Jesus, Blade Runner, Battlestar Galactica and absolutely everything else in between. (Ahem, mad props to the Jurassic Park folks. Really, well played.) Now, let's revel in ultimate nerdery with our 15 favorite outfits!