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Always the caring soul, Phoebe goes on a crusade to save the animals and plants of the desert -- and discovers how well they take care of themselves.
Lily Tomlin
Ms. Frizzle (voice)
Daniel DeSanto
Carlos (voice)
Stuart Stone
Ralphie (voice)
Erica Luttrell
Keesha (voice)
Danny Tamberelli
Arnold (voice)
Malcolm-Jamal Warner
The Producer
