I'm sure there are multiple posts about this but, iTunes u has everything you need. Greek, Hebrew, theology, physics etc. It's been a great resource for me. (my title, admittedly is a little oversell, but u get the point)
I have enjoyed several lectures there on Old English, Medieval History, etc. It is pretty awesome. The OE stuff I watched was from Oxford. How cool is that?
In addition to ITunes that has high quality lectures I also like 790+ Online Courses, 18400+ Videos from Top 30+ Universities on 35+ Categories Free video lectures, Free Online Courses, Video Lessons, Lecture Videos, Tutorials, free Download from top colleges and universities Armstrong Atlantic State University Harvard Hillsborough Community College IISc Bangalore IIT Bombay IIT Delhi IIT Guwahati IIT Kanpur IIT Kharagpur IIT Madras IIT Roorkee Khan Academy Lancaster University London School of Business and Finance McGill MIT North Carolina State University Open.Michigan Other Portland Community College Princeton University Press Stanford Stony Brook University The University of New South Wales UC Berkeley UC San Diego UCLA University of California University of Canterbury University of Colorado University of Houston University of Illinois Urbana-Champaign University of Michigan University of Missouri Kansas City University of Oregon University of Toronto University of Washington Virtual University Yale