yea, but the amount of referential/contextual humor in that movie basically requires an alien species to have already had a k-12 education on human culture. The Big Lebowski would definitely have to be a University or Masters program class on human humor and interaction.
Have fun reading this: http://www.amazon.com/Years-Work-Lebowski-Studies/dp/0253221366
I got my copy a month ago and it is heavy going, but it does make you think about the movie in new and interesting ways.
You guys will love this: http://www.amazon.com/Years-Work-Lebowski-Studies/dp/0253221366. A collection of critical essays on the Big Lebowski. Absolutely amazing.