The Fox website i think but double check me if im wrong
Gregory House is the main character
No, House MD continues its run with a 6th season set to begin in September 2009.
On hulu you can see some. http://www.hulu.com/search/house?showname=house&sort_by=relevance
House has a double specialty in infectious disease and nephrology.
It ended.
Only on the show
Princeton Plainsboro Teaching Hospital
No. They are currently showing season six.
The best place to watch House M.D. episodes online for free is tvnuke.com. You can watch the episodes for free without any downloading or surveys and the links are almost always good. They have all the way up to season 7 episode 10.
The show is still very-very successful, so it has a few more seasons in it.
In January!!! Fox announced in http://www.youtube.com/watch?v=NHoDkgUOySs
Neither, they are both copying old MD shows like ER.