Overview:When Arthur discovers that Grandma Thora is a marbles champion, he trains with her so he can beat all his friends. And though Thora teaches Arthur everything he knows, she doesn't teach him everything she knows.
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First Air Date: Oct 07, 1996Last Air date: Feb 21, 2022Season: 25 SeasonEpisode: 493 EpisodeRuntime: 13:14 minutesQuality: HDIMDb: 3.976 / 10 by 170 usersPopularity: 7.6184Language: en
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