Rednecks and Broomsticks
The Simpsons Season 21 Episode 7 (11/29/09)
Recap
When the Simpsons family returns from their ski trip they end up in an accident and rescued from the ice by Cletus and family. Soon Homer discovers the underground moonshine scene that's remiscent of wine tasting. Meanwhile, Lisa goes wandering from Cletus' during a game of hide and go seek and finds some Wiccas which she decides to join. However, after putting a curse on her teacher, Lisa begins to believe their skills are real and the girls end up on a witch trial when they make half the town blind. However, after some investigative work, Homer confirms it's actually the moonshine making Springfield go blind.
