Ask HN: Must-listen podcast episodes for software engineers?

What are the most fascinating, engaging podcast episodes you've ever listened to that related to software development or a topic that's not directly related to development, but still interesting to software developers? One of my favorites is still Jeff Atwood's interview on the Changelog several years ago when he dissected his company's (discourse) decision process for choosing the language of their product (between C#, PHP, Python, Ruby, Node)