The funniest show ever. Free episodes online. I love the final fantasy parody the best.
Most the robot chicken episodes have been deleted from stage6 that were once available. You can still try searching stage6 for more though. You can actually watch full free episodes of robot chicken streaming from adult swim's website. They're actively filing DMCA copyright requests on sites like youtube, veoh, and stage6 so you won't find many robot chicken episodes there.