tv blinx and tv duck have links to watch the shows online
surfthechannel-supernatural
On youtube or fox.com * http://watchseries.eu/serie/bones
Hulu.com
pokemonepisode.org they have every episode like a day after each one comes out
You can legally watch most manga on Crunchy Roll for $1.99.
The NBC website has this show.
You can watch episodes on DVD.
you can watch full episodes on projectfree tv. slow loading time but at least you can watch them.
Officially and legally, if one is in the United States one can watch episodes of Cops online on Fox's offical website (if you have the correct tv providers), or via Hula (for up to 28 days after airing). The official Cops website has some videos but I'm not sure if they're full episodes.
CBS.com has full episodes of NCIS.
If you have Netflix, you can legally watch the entire series there.
Hulu is one option for free full TV episodes. Also, television networks are posting more and more full episodes, bonus episodes and extra footage on their individual network websites.