"Mr. Plow" is the ninth episode of The Simpsons' fourth season, which originally aired on November 19, 1992. In the episode, Homer buys a snow plow and starts a business plowing driveways. It is a huge success, and inspired by Homer's success, Barney Gumble starts a rival company and quickly puts Homer out of business. The episode was written by Jon Vitti and directed by Jim Reardon. In 1993, Dan Castellaneta won an Emmy Award for "Outstanding Voice-Over Performance" for this episode. The episode was also submitted in the "Outstanding Comedy Series" category although ultimately it wasn't nominated.