S06E19 Arthur Loses His Marbles

• Sezonul 6, episodul 19
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• Difuzat luni, 26 noiembrie 2001
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• 13 min

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.