Homer3 (Season 7, “Treehouse of Horror VI”)

It may not be the funniest or scariest Treehouse of Horror segment in Simpsons history, but this short still deserves praise because of its incredible 3D animation. Yes, today it looks very primitive, but at the time it was groundbreaking stuff, especially for a TV show. And because the CGI company that handled it was so desperate for more Hollywood work, it reportedly ended up doing the job for only $6,000