The 1950 Radio Series Dimension X Has The Science Fiction You've Been Looking For Kotaku 1/27/2021 Nine years before Rod Serling brought America The Twilight Zone, NBC had a science fiction anthology series that offered very similar dark tales of potential dystopia and future-set malarkey. It was called Dimension X, featuring stories by some of the most famous sci-fi writers of the 20th century, and the reason you’ve likely never heard of it was because it was on the radio, not TV. The good news is, you can listen to it right now. “Adventures in time and space, told in... future tense!”