Some of my favourites I've listened to this year have been Dan Carlin's Hardcode History "Blueprint for Armageddon" series, Freakonomics Radio "Does Advertising Actually Work?" (very recent!) and The Blindboy Podcast "Graham Norton". Enjoyed some episodes from the Darknet Diaries and the Indie Hackers too.
[1]: https://news.ycombinator.com/item?id=22027315
https://thememorypalace.us/music-to-wash-hands-by/
He recently named it his Episode of the Year, despite it being only November, because there was nothing going to top it.