Tip: Redownload Deleted or Lost Podcast Episodes (without re-subscribing)

This is very valuable to me...I found it originally through this article

In helping the church podcast their sermons, I've several times deleted a specific episode by accident and not been able to find how to get it back without deleting the subscription and starting over. It's actually quite easy, once you know the trick (that apple doesn't bother to tell anyone or put in a context menu anywhere). Collapse the podcast (so you don't see the individual episodes), then hold shift (or command on a mac) while expanding it again (clicking the gray triangle). You'll see it update, and previously deleted episodes will be listed as available for you to "Get".

YAY!