At LectureFox, you can find a variety of free online courses from several prominent universities, including Yale. According to Yale, their Open Courses have as their aim "to expand access to educational materials for all who wish to learn."
One class that readers of this blog may find helpful is Introduction to the Old Testament with Professor Christine Hayes. The course in 24 sessions provides a critical study of the Hebrew Bible. The lectures are on video so you can watch as well as listen to your instructor. (Click here)