Here's the new bot: Podcast Roulette!
https://www.crummy.com/features/dada/podcast/
https://www.crummy.com/features/dada/podcast/roulette.xml
An RSS feed containing randomly selected podcast episodes, updated daily.
Simplified version in botfriend shows how it's done: https://github.com/leonardr/botfriend/tree/master/bots.sample/podcast