Arnold's dream has come true. He doesn't have to go on a field trip! Ms. Frizzle lets him stay behind with Liz. But when Arnold accidentally swallows his miniaturized classmates, he becomes the field trip! Better than an action park, Arnold's digestive system is full of twists, turns, and surprises.
Elenco: Daniel DeSanto , Stuart Stone , Erica Luttrell , Malcolm-Jamal Warner , Dan Tamberelli , Lily Tomlin , Frank Welker , Whoopi Goldberg , Susan Blu , Edward James Olmos , Andre Ottley-Lorant .