Gede: Same here. I have listened to almost all of their episodes.
Crewdroog: I have not, but the handful I have I've enjoyed. The one with loops was great (whales, music) and the one about dreams.
My favourites were the early ones about the mind and memories, and later the one about emergence.
The episodes about dreams were also very good.
Some are better the others, but I never considered any of them to be a waste of time to listen.
I no longer have time to listen to podcasts, so I am accumulating episodes. :-(
Yet, feel free to recommend any.