Sidereel.com will track shows for you and has a lot of links for most of there shows where you can watch episodes for free
you could look on www.nick.com or youtube
www.spike.com
4arabz.com
Many shows and movies, such as Round the Twist can be viewed on the website YouTube. There are several episodes of these there.
The website scifi offers "full episodes of your favorite sci fi shows." In addition, various overviews and clips are available. See the Related Links.
Hulu has a variety of shows for free. With most shows, you can see the last five episodes for free. If you want to see episodes earlier than that or the most current episode, you will have to join Hulu Plus which gives you complete access to the Hulu site.
Disney Channel offers many full episodes on their website for free.
try going to videosurf.com and searching for it there... that's where i watch TV. shows
no where. sometimes itunes gives episodes free, and you can find that on the bottom of the itunes page under 'free on itunes'. but there usually isn't TV shows there, it's just random, and you can't get them legally for free.
The website for the Webtrends company has listings for free TV shows and where to view them. One can find information on the TV network websites as well.
In the website www.mundoavatar.com.br . It's from Brazil, like me, but it has the page and the downloads in English too