Are you excited for the next (and last) Harry Potter book? Voldemort knows I am! Do you miss the old Welcome Back, Kotter TV series? OK, me neither, but this is still pretty funny. It's exactly what you'd expect from the name, a ridiculous mashup spoof of the two properties featuring a washed-up, middle-aged Harry Potter teaching magic to a bunch of inner-city slackers. And it's pretty funny.