Gets a Bright Idea

After the illuminating light show at Walkerville's old theatre, Arnold's bossy cousin Janet claims she could put on a much better show. Nobody believes her until Janet and Arnold mysteriously disappear. Ms. Frizzle leads her class into the darkened theatre to look for them. To shed some light on the problem, the kids become beams of light. Then, to their great shock, they see Arnold's ghostly image floating high above the empty stage! Is the theatre haunted? Is this just one of Janet's tricks? Or have they all been ""Frizzled""?

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S03E06 - Shows & Tells