Overview
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.
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12 - 1Treehouse of Horror XI November 01, 2000 -
12 - 2A Tale of Two Springfields November 05, 2000 -
12 - 3Insane Clown Poppy November 12, 2000 -
12 - 4Lisa the Tree Hugger November 19, 2000 -
12 - 5Homer vs. Dignity November 26, 2000 -
12 - 6The Computer Wore Menace Shoes December 03, 2000 -
12 - 7The Great Money Caper December 10, 2000 -
12 - 8Skinner's Sense of Snow December 17, 2000 -
12 - 9HOMЯ January 07, 2001 -
12 - 10Pokey Mom January 14, 2001 -
12 - 11Worst Episode Ever February 04, 2001 -
12 - 12Tennis the Menace February 11, 2001 -
12 - 13Day of the Jackanapes February 18, 2001 -
12 - 14New Kids on the Blecch February 25, 2001 -
12 - 15Hungry Hungry Homer March 04, 2001 -
12 - 16Bye Bye Nerdy March 11, 2001 -
12 - 17Simpson Safari April 01, 2001 -
12 - 18Trilogy of Error April 29, 2001 -
12 - 19I'm Goin' to Praiseland May 06, 2001 -
12 - 20Children of a Lesser Clod May 13, 2001 -
12 - 21Simpsons Tall Tales May 20, 2001