Wikisimpsons - The Simpsons Wiki
Milhouse owns the movie on DVD and when he first saw the film by himself, he discovered that there was a chapter he had never saw, when they meet Nemo's mother. The chapter led him to become scared and want to confess his love for Lisa.
After Bart teased Milhouse, he was surprised that he didn't come crawling back to him. Lisa told him that even a kid who wears a Finding Nemo back brace has some pride, and that he had went too far this time.
 Behind the Laughter
Finding Nemo is a real movie.