Top 20 Greatest Sci-Fi TV Series

VOICE OVER: Rebecca Brayton WRITTEN BY: Sammie Purcell

These sci-fi TV series made the future seem so much closer. For this list, we'll be looking at the most influential, beloved, and critically acclaimed science fiction shows to grace our screens. Our countdown includes "The Mandalorian," "Babylon 5," "Doctor Who," and more! read more...