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S1:E41 A Serious Case of the Sillies
First Aired: July 12, 2004
While at the big top, JoJo notices rather odd behavior among the circus performers. Everyone seems to be giggling and acting kooky, rather than working on their acts. When JoJo begins laughing like crazy too, it's a good thing that she's just caught up with Dr. Seltzer.
