The Pirate Bay.org.
There are many places where one can find full length episodes of the Chapelle Show. The best places to find full length episodes is at streaming sites such as Netflix.
Finding full episodes of Blues Clues in UK is easy. You can find the episodes online all you have to do is download them.
http://www.imdb.com/title/tt0799922/episodes << full list
To find full episodes of Jon and Kate plus eight season five full episodes your best bet is www.tlc.com. Listed in related links below.
pokemonepisode.org
You can watch them in netflix.com but you need to create a free account.
You can find them on Netflix and online.
youtube
on hasbro
Netflix
The website is... casttv.com
Well there are probably multiple places you can find full episodes, but where I find them is on YouTube. It's a great place to find just about anything that has been on TV before.