You will watch The Simpsons Episode 409 Mr. Plow online for free episodes with high quality. Online episode guide, The Simpsons Episode 409 Mr. Plow Mr. Plow After demolishing both his and Marge’s family cars during a snowstorm, Homer buys a snowplow and starts a business plowing driveways. He calls his business “Mr. Plow” and becomes a huge success. Barney Gumble, inspired by Homer decides to start his own rival company and becomes Springfield’s new favorite snow plower. Homer tricks Barney into plowing the dangerous Widow’s Peak. Barney does so, but gets trapped in an avalanche and after seeing a news report about it, Homer rushes to save him. Homer saves Barney and the two decide to work together, but God melts all of the snow.