Computer Science

Computer Science Unplugged - "CS Unplugged is a collection of free learning activities that teach Computer Science through engaging games and puzzles that use cards, string, crayons and lots of running around."

Learner's TV

Learner's TV: "This is a comprehensive site providing thousands of downloadable Video lectures, Live Online Tests,etc in the fields of Biology, Physics, Chemistry, Mathematics, Computer Science, Engineering, Medicine, Management and Accounting, Dentistry, Nursing, Psychology, History, Language Training, Literature, Law etc FREE to its visitors."

This site sounds amazing; I've not tried it yet, but hope it's as good as it sounds.