Where can I watch Generator Rex, Young Justice and Transformers Prime online?

I can only watch it on cable on every other weekend. Is there a place online where I can watch the episodes I missed?Where can I watch Generator Rex, Young Justice and Transformers Prime online?This site is great I use it all the time. And it has all 3 shows you mentioned. They add new episodes immediately after they air and they even added a Generator Rex episode early! The site is Master Toons http://www.mastertoons.com/