The Simpsons: 12x4
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 - 1Treehouse of Horror XI Nov. 01, 2000
12 - 2A Tale of Two Springfields Nov. 05, 2000
12 - 3Insane Clown Poppy Nov. 12, 2000
12 - 4Lisa the Tree Hugger Nov. 19, 2000
12 - 5Homer vs. Dignity Nov. 26, 2000
12 - 6The Computer Wore Menace Shoes Dec. 03, 2000
12 - 7The Great Money Caper Dec. 10, 2000
12 - 8Skinner's Sense of Snow Dec. 17, 2000
12 - 9HOMЯ Jan. 07, 2001
12 - 10Pokey Mom Jan. 14, 2001
12 - 11Worst Episode Ever Feb. 04, 2001
12 - 12Tennis the Menace Feb. 11, 2001
12 - 13Day of the Jackanapes Feb. 18, 2001
12 - 14New Kids on the Blecch Feb. 25, 2001
12 - 15Hungry Hungry Homer Mar. 04, 2001
12 - 16Bye Bye Nerdy Mar. 11, 2001
12 - 17Simpson Safari Apr. 01, 2001
12 - 18Trilogy of Error Apr. 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