So, you may have found an issue downloading Episode 37 – “The file might be corrupted, or a file type that iTunes cannot play.”
After a few complaints about this late last night, we are investigating. This appears to be completely at iTunes / Apple, or with the feed index itself – the file on the site downloads fine, imports into iTunes and plays just fine.
Please rest assured we’re working on and should have it taken care of shortly. Sorry for the inconvenience.