Three guys take turns teaching each other random facts. You never know what they will pull out of the draw next. Mike is on this one and these guys are pretty funny, and you may learn something.
One of the greatest D&D podcasts. These guys are awesome and you should listen to them. The have finished the campaign in 69 episodes.
One of the other all time best D&D podcasts. These guys are epic and awesome. They are past episode 200 and still going strong.