Grounded: The Making of the Last of Us comes at just about the perfect time. With the story DLC now available, you can get the Amazon instant video version absolutely free in HD. This goes into detail about the game’s development, the philosophy behind the game, and how hard it is to get a new IP off the ground. Beyond being able to stream it forever with this deal, you also get two download licenses for the documentary. If you loved The Last of Us, you’ll want to check this documentary out ASAP and get a better understanding about the game’s vision. Getting this also nets you a $1 Amazon MP3 credit.