The Magic School Bus

Flexes Its Muscles

E2    Sep 16, 1995    22m    TV-Y
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Ms. Frizzle takes the class on a field trip to R.U. Humerus's Body Shop. They learn how bones, muscles and joints all work together to help us move.
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Cast of Flexes Its Muscles
  • Lily TomlinMs. Frizzle (voice)
  • Daniel DeSantoCarlos (voice)
  • Stuart StoneRalphie (voice)
  • Erica LuttrellKeesha (voice)
  • Danny TamberelliArnold (voice)
  • Andre Ottley-LorantTim (voice)
  • Tara MeyerDorothy Ann (voice)
  • Maia FilarPhoebe (voice)
  • Malcolm-Jamal WarnerThe Producer
  • Tony Randall(voice)

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