Legendary Lectures on QFT by Sidney Coleman
[Via Asymptotia]. Time to learn some QFT, right? Even if you already know (or think you know) the subject, I believe you will find the lectures by late Sidney Coleman very illuminating. You can now find his mid 70′s video lectures through this link. Lecture notes are available here (scroll down to “Some Classic Quantum Field Theory Courses”; actually this page by David Tong has many useful resources in QFT).