Web-sites mentioned on TV shows [Updated - 12/08/2012]

This list is incomplete and inaccurate :)

How I Met Your Mother:
http://www.itwasthebestnightever.com/
http://www.marshallandlilywedding.com/
http://www.notafathersday.com/
http://www.tedmosbyisajerk.com/ + http://tedmosbyisnotajerk.com/
http://www.slapcountdown.com  [Archived @  http://web.archive.org/web/20071008010352/http://slapcountdown.com/ ]
http://www.lilyandmarshallselltheirstuff.com/  [Archived @ http://web.archive.org/web/20080512124250/http://www.charityfolks.com/cfauctions/auction_verticalngo.asp?slrid=76 ]
http://www.guyforceshiswifetodressinagarbagebagforthenextthreeyears.com/
http://internationalsuitupday.com/  
http://swarley.com [Archived @t http://web.archive.org/web/20061130162824/http://swarley.com/ ]
http://mysteriousdrx.com/
http://www.barneysvideoresume.com/
http://www.weddingbridemovie.com/
http://www.canadiansexacts.org/
http://bigbusinessjournal.com/
http://www.extremitiesquarterly.com/
http://balloonexplorersclub.com/
http://grademyteacher.net/


Heroes:
http://www.primatechpaper.com/


Dexter:
http://www.eliotsearchengine.com
http://www.netrangler.com/

Supernatural:
http://www.hellhoundslair.com/
http://ghostfacers.com/


Sherlock BBC:
http://johnwatsonblog.co.uk/
http://www.thescienceofdeduction.co.uk/
http://www.mollyhooper.co.uk/
http://www.connieprince.co.uk/


Castle:
http://www.richardcastle.net




Suggestions are welcome, please provide links in comment section, will add them here asap.