Science fiction has created some of the brightest characters in the history of %movies% kicking around the galaxy. In this wallpaper category, we present our rundown of more than 12 greatest sci-fi wallpapers of all-time, from fascinating doctor who tardis wallpapers to iconic star trek wallpapers and dynamic super heroes wallpapers. We especially love the doctor who desktop wallpapers subcategory for its winner, the Doctor from the planet Gallifrey - fans of a Time Lord, you there! We also love exactly the most compelling %female sci-fi wallpaper characters% like kind and compassionate %Sarah Connor wallpaper% and a symbol of rebellion, %Katniss Everdeen background%.