About The Simpsons (1989) Season 0, Episode 50 : The Simpsons Movie

After Homer accidentally pollutes the town's water supply, Springfield is encased in a gigantic dome by the EPA and the Simpsons family are declared fugitives. Guest Stars: John Walsh, Dennis Franz, Andrew Shue, Courtney Thorne-Smith, Kevin Nealon, Chris Elliott, Daryl Gates,