The Magic School Bus

Season 3

Episode 9 · Works Out · 25 min

TV-Y
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Is Mr. Sinew any match for the Friz? At this year’s “Teacher-athlon,” the kids fear Ms. Frizzle doesn’t stand a chance against the muscle-bound gym teacher from another school, so the class travels inside her body for a closer look.
Release Date
November 9, 1996

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