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.
12 - 21Simpsons Tall TalesMay. 20, 2001- 12 - 20Children of a Lesser ClodMay. 13, 2001
- 12 - 19I'm Goin' to Praise LandMay. 06, 2001
- 12 - 18Trilogy of ErrorApr. 29, 2001
- 12 - 17Simpson SafariApr. 01, 2001
- 12 - 16Bye Bye NerdieMar. 11, 2001
- 12 - 15Hungry, Hungry HomerMar. 04, 2001
- 12 - 14New Kids on the BlecchFeb. 25, 2001
- 12 - 13Day of the JackanapesFeb. 18, 2001
- 12 - 12Tennis the MenaceFeb. 11, 2001
- 12 - 11Worst Episode EverFeb. 04, 2001
- 12 - 10Pokey MomJan. 14, 2001
- 12 - 9HOMRJan. 07, 2001
- 12 - 8Skinner's Sense of SnowDec. 17, 2000
- 12 - 7The Great Money CaperDec. 10, 2000
- 12 - 6The Computer Wore Menace ShoesDec. 03, 2000
- 12 - 5Homer vs. DignityNov. 26, 2000
- 12 - 4Lisa the Tree HuggerNov. 19, 2000
- 12 - 3Insane Clown PoppyNov. 12, 2000
- 12 - 2A Tale of Two SpringfieldsNov. 05, 2000
- 12 - 1Treehouse of Horror XINov. 01, 2000
