Hey Arnold! - S4E12

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Grandpa's Sister/Synchronised Swimming

Series 4, episode 12

Originally Aired On: Saturday, 16 October 1999

"In ""Grandpa's Sister,"" Grandpa's sister comes to visit, and her and Grandpa continue to argue. In ""Synchronised Swimming,"" Coach Wittenberg is back, and this time he wants to form a synchronised swimming team."