If a picture tells 1,000 words, a great sci-fi-themed T-shirt tells 26. Those words are: "I think this joke is hilarious, and if you don't, you're wrong! Also, I think this sci-fi show is awesome, and if you don't, you're wrong!"
Often the right words come straight from the heart, but in these cases they come from the torso. Check out 25 sci-fi shirts that made us stop and stare.