The following are excellent for ToK and Philosophy in general:

• Discover Magazine - Science, Technology & the Future.
• Amy Scott's excellent TOK website: www.amyscott.com
• Amazing video/multimedia site: TED: Ideas Worth Spreading - well worth a good browse!
• Philosophy Talk RadioShows archive on many TOK topics
• Amy Scott's TOK pages. Lots of good stuff!
• Kai Arste's excellent ThOK Notes Site
• http://www.philosophypages.com/index.htm
• Virtual Salt - An Aladdin's cave of critical reflection.
• Digital Brain TOK page - Good site dedicated to IB TOK.
• www.saint-andre.com/ismbook/ism3.html TOK & Philosophy Perspectives, Terminology
• www.trincoll.edu/depts/phil/philo/index.html
• www.earlham.edu/~peters/philinks.htm
• www.ibtok.com.
• http://www.bbc.co.uk/dna/h2g2/alabaster/A582301 Theories of Intelligence from the BBC's HitchHiker's Guide to the Galaxy.
• BBC's HitchHiker's Guide to the Galaxy home page.
• http://www.philosophersnet.com/
• http://plato.stanford.edu/
• http://skepdic.com/refuge The Skeptic's Refuge is fascinating and entertaining. The Skeptic's Dictionary is a great source of definitions and references.
• http://www.epistemelinks.com/Main/MainText.asp
• http://www.utm.edu/research/iep/
• http://www.uh.edu/~cfreelan/SWIP/

 The BBC provide excellent resources to support and extend the school curriculum. Here are some for ToK:

• http://www.bbc.co.uk/radio4/routesofenglish/ - Great for "language", history and cross-cultural issues.
• http://www.bbc.co.uk/radio4/hitchhikers/ - A unique insight into the impact of technology on our lives.
• http://www.bbc.co.uk/radio4/progs/listenagain.shtml - For more ideas and information 'Listen again' to a wide choice of Radio 4 programmes.
• http://www.bbc.co.uk/worldservice/programmes/sci_act.shtml - An in-depth exploration of ideas and discoveries in science.
• http://www.bbc.co.uk/worldservice/ - Tune in to the World Service for hundreds of current and archive programmes on every conceivable subject.
• http://www.bbc.co.uk/tv/a-z/ - The complete A-Z listing of BBC TV Programme web sites.