When Homer accidentally pollutes the river with toxic waste from the nuclear power plant, he gets fired from his job, and everyone has to evacuate Springfield, possibly forever.
http://www.imdb.com/title/tt0462538/
Coming to a screen near you July 27, 2007.
Fox is playing the trailer on Sunday at 8:00 PM EST. The question is... Why now, and do they really need a movie!?