Paid PostPosted on Apr 15, 2013A Non-Hitchhiker's Guide To Every Alien That's Worth KnowingYou know, just in case you run into one on the street. Watch as humans and aliens struggle for survival on Syfy's Defiance on Mondays starting April 15th at 9/8c.by SYFYBrand PublisherLinkFacebookPinterestTwitterMail 1. Time Lords 2. Castithans 3. Ewoks 4. Klingons 5. Hutts 6. Na'vi 7. Wookiees 8. Vulcan 9. Centauri 10. (Queen) Alien 11. Daleks 12. Irathient 13. Predators 14. Gungans