While visiting a mountain made of magnetite, Ralphie and the class shrink to subatomic size to get some hot tips for their disorganized dance troupe.
Guest Cast
Lily Tomlin
voices Professor Fizzle
Will Arnett
voices Galapagos Gil
Sandra Oh
voices Dr. Sarah Bellum
Mae Jemison
voices Kathy K. Kuiper
Leke Maceda-Rustecki
voices Carlos
Birva Pandya
voices Jyoti
Lynsey Pham
voices Wanda
Kaden Stephen
voices Tim
Miles Koseleci-Vieira
voices ArnoldCast Appearances
Kate McKinnon
voices Ms. Fiona Frizzle
Matthew Mintz
voices RalphieEpisode Discussion
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