For starters, there isn't a 3rd season of K-On, but there are 3 different closings. Secondly, Unless you are talking about where to get the DVDs so you can rip them, asking questions like this are not allowed. Read the forum rules
viewtopic.php?f=14&t=289Oh and yeah, the answer to your question is to use the DVDs (which wont be out in America for at least a few months). But if you can buy or "obtain" the Japanese DVDs, they have actually been out for a while.