Some good lectures here from Berkley again. First one is on Astronomy. 2nd one is Physics with Richard Muller again.

http://www.youtube.com/watch?v=f0ZTOFFgitY

And Richard Muller.

http://webcast.berkeley.edu/course_details_new.php?seriesid=2009-B-51905|2009-B-69390&semesterid=2009-B