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One night, Ruby tells the group a scary story about an invisible dinosaur named 'Hidden Runner and gives everyone scary sleep stories. They see Mr Thicknose to tell him that she made up the story and there is nothing to worry about, but the story of Hidden Runner was true, and they decide to venture into the Mysterious Beyond to search for him.
First Air Date : Mar 05, 2007
Last Air date : Jan 21, 2008
Episode : 26 Episode
Season : 1 Season
Runtime: 30:14 minutes
Studio: Cartoon Network
Country: United States of America
