The Simpsons Season 12 Episode 4
Lisa the Tree Hugger
Lisa falls for the teenaged leader of a militant environmentalist group and tries to impress him by living in Springfield's oldest tree in order to keep it from being cut down.
Guest Stars
Joshua Jackson
Jesse Grass (voice)
Pamela Hayden
Milhouse Van Houten (voice)
Tress MacNeille
GameStation 252 / Female Activists (voice)
Karl Wiedergott
Caleb (voice)