I get asked to show that movie in class a lot. It's one of my favorites, too. You can learn a lot of useful English from it, too, including current slang and even sometimes more technical vocabulary. It has even contributed some words to English, such as "Doh!" and "Meh." Well, maybe that's not so important for your vocabulary, but I know you learned some words watching it. Here's the Wikipedia article about the Simpsons.
Here's a clip from the TV show:
