Episode 16 didn't go through on iTunes for some reason. It works if you download it straight from the site here: http://tinyurl.com/6xoerf You can also switch to Zune, better software for a better mp3 player.
Katie's Thesis blog:
I made an erroneous claim that some bass-voiced black kid performed a YouTube cover of Purple Rain. It was actually the kid's own composition, Chocolate Rain. My bad. It's still hilarious. Watch!