Where can you watch tv shows for free?
In addition to what The Cheers TV can offer you, here's a great list of sites where you can watch tv shows online for free.
The Daily Show
Full episodes of the best thing out there - The Daily Show with John Stewart.
YouTube Movies and Youtube
You can watch many series straight in Youtube. Some of them worth looking for are Poirot, Cracker, Air Crash Investigation, Columbo and much more. Plus youtube movies offers you many free full length movies.