@medwaves If you like trivia and British accents, I highly recommend Answer Me This and the myriad pods that its creators have made since. The Allusionist, for instance, is very brainy and fun.
For audio fiction, check our Lauren Shippen's Attpical Artists production. She has some straight ahead sci-fi kinda stuff but also other projects that really play with the format. I've enjoyed Breaker Whiskey for years.
For nerdy media critical thinking, check out Eric Molinsky's Imaginary Worlds.