I’ve been listening to X-Minus-One episodes for the last few days and am really starting to appreciate the radio play format. Some of the stories are pretty dated, being from the 40’s and 50’s, but a lot of them still hold up if you’re a little forgiving on the science details.
There’s also a ton on the Old Time Radio Researchers yt channel. I want to say when I looked into it there was more on yt. Also check out Dimension X! Old time radio can be a WILD listen sometimes, interesting snapshots of the entertainment industry at the time.
Nice are they available to download?
What’s also great is that there are a fair number of famous stories by famous sci-if authors. Hell, Heinlein and Bradbury are 4 of the first 10 episodes!
https://en.wikipedia.org/wiki/List_of_X_Minus_One_episodes
(Jeeze… Sheckley, Pohl, Simak, Sturgeon, Anderson, Silverberg, Leiber - and that’s just in 1957!)



