Try surfthechannel.com, it can be very useful and has alot of links for TT episodes, plus, alot of them are free!
You can find them on Wikipedia
You can find them on Youtube and on http://tv.blinkx.com/show/teen-titans/QCNtQdMaZAg0W_21Ae_9xJx-I6yXebWrxyveHA#sunknown click the season you wan to see. They don't have all the episodes but on youtube they do. Watch the youtube episodes by xtester71 their the best i find and he has the movie too.
Try surfthechannel.com. It has loads of Teen Titans links.
The show teen titans go can be on cartoon network Or you could watch it on YouTube.
go on youtube.com and type in, "Teen Titans Go! Part 1"
In the comics
you can find it easily on cartoonnetwork.com
YouTube, or watchcartoononline.com. All of the episodes, including the "Trouble in Tokyo" movie have been uploaded on YouTube, though I'm not sure about watchcartoononline.com. Both are safe and virus free, with the exception of pop-ups and ads, but it's better than nothing.
The easiest, and most likely, the least expensive way to find and purchase Teen Titans DVDs is to look on Amazon.com.
youtube. you might find it if you google it.
Some you can find at amazon
http://images.google.com/images?hl=en&source=hp&q=raven+from+teen+titans&gbv=2&aq=f&oq=&aqi= Or just go to google images and search "raven from teen titans"