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The Rugrats set their sights on a staircase post, where it hides one of the Rugrats' greatest mysteries -- why does it wobble?
First Air Date : Aug 11, 1991
Last Air date : Aug 01, 2004
Episode : 322 Episode
Season : 9 Season
Runtime: 11:14 minutes
Studio: Nickelodeon
Country: United States of America
