Thanks to Lisa Simpson, Lake Springfield is cleaned up from the pollution that once fouled it. But when Homer, who's ado... (more)
Thanks to Lisa Simpson, Lake Springfield is cleaned up from the pollution that once fouled it. But when Homer, who's adopted a pig (Spider-pig) dumps a silo full of the pig's excrement in Lake Springfield, the EPA places a large dome over Springfield, and the Simpsons family manage to escape through a sinkhole. The family flees to a better life in Alaska, but when the head of the EPA, Russ Cargill, orders the towns destruction, it's up to Homer to save Springfield! (less)