The Harry Potter hype is certainly building and it’s going crazy in the States with HBO now showing one of their First Look documentaries that features brand new footage from Harry Potter And The Half Blood Prince, plus extensive interviews and footage of what went on the behind-the-scenes. While First Look featurettes are normally pretty dull, this one’s actually really good and a bit of a must watch for any Potter fan. The featurette has now been posted on Youtube (in two parts), so take a look below if you wanna see it (if you’re on the main Extras page, click Read More to see the videos).