"Lisa's Rival" is the second episode of the sixth season of the American animated television series The Simpsons. It originally aired on the Fox network in the United States on September 11, 1994. Winona Ryder guest stars as Allison Taylor, a new student at Springfield Elementary School. Lisa Simpson begins to feel threatened by Allison because she is smarter, younger, and a better saxophone player. The episode's subplot sees Homer steal a large pile of sugar from a crashed truck and sell it door-to-door. This episode was originally going to air as part of Season 5 but aired as a season six episode due to 1994 Northridge earthquake.

The sixth season of the American animated television series The Simpsons originally aired on the Fox network between September 4, 1994, and May 21, 1995, and consists of 25 episodes. The Simpsons is an animated series about a working class family, which consists of Homer, Marge, Bart, Lisa, and Maggie. The show is set in the fictional city of Springfield, and lampoons American culture, society, television and many aspects of the human condition.