Plot: 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.
Cast
Dan CastellanetaHomer Simpson / Abe Simpson / Barney Gumble / Krusty (voice)Dan Castellaneta was 43 in The Simpsons - Season 12 - Lisa the Tree Hugger (Episode 4).
Birthday: Tue, Oct 29 1957
Julie KavnerMarge Simpson / Patty Bouvier / Selma Bouvier (voice)Julie Kavner was 50 in The Simpsons - Season 12 - Lisa the Tree Hugger (Episode 4).
Birthday: Thu, Sep 07 1950
Nancy CartwrightBart Simpson / Nelson Muntz / Ralph Wiggum (voice)Nancy Cartwright was 43 in The Simpsons - Season 12 - Lisa the Tree Hugger (Episode 4).
Birthday: Fri, Oct 25 1957
Yeardley SmithLisa Simpson (voice)Yeardley Smith was 36 in The Simpsons - Season 12 - Lisa the Tree Hugger (Episode 4).
Birthday: Fri, Jul 03 1964
Hank AzariaMoe Szyslak / Chief Wiggum / Apu / Comic Book Guy / Carl (voice)Hank Azaria was 36 in The Simpsons - Season 12 - Lisa the Tree Hugger (Episode 4).
Birthday: Sat, Apr 25 1964
Harry ShearerNed Flanders / Mr. Burns / Smithers / Skinner / Lenny (voice)Harry Shearer was 56 in The Simpsons - Season 12 - Lisa the Tree Hugger (Episode 4).
Birthday: Thu, Dec 23 1943
Joshua JacksonJesse Grass (voice)Joshua Jackson was 22 in The Simpsons - Season 12 - Lisa the Tree Hugger (Episode 4).
Birthday: Sun, Jun 11 1978
Pamela HaydenMilhouse Van Houten (voice)Pamela Hayden was 46 in The Simpsons - Season 12 - Lisa the Tree Hugger (Episode 4).
Birthday: Sat, Nov 28 1953
Tress MacNeilleGameStation 252 / Female Activists (voice)Tress MacNeille was 49 in The Simpsons - Season 12 - Lisa the Tree Hugger (Episode 4).
Birthday: Wed, Jun 20 1951
Karl WiedergottCaleb (voice)Karl Wiedergott was 31 in The Simpsons - Season 12 - Lisa the Tree Hugger (Episode 4).
Birthday: Sat, Feb 08 1969
Crew
Steven Dean MooreDirectorSteven Dean Moore was >> in The Simpsons - Season 12 - Lisa the Tree Hugger (Episode 4).
Birthday: Unknown Birthday
Matt SelmanWriterMatt Selman was 29 in The Simpsons - Season 12 - Lisa the Tree Hugger (Episode 4).
Birthday: Thu, Sep 09 1971