Hey Arnold!
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SEASON 4 • EPISODE 12

Hey Arnold!

"Grandpa's Sister / Synchronized Swimming"

Date Aired: Oct 16, 1999

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A. Grandpa's sister unexpectedly shows up at the Boarding House, but Arnold doesn't know why she and Grandpa are always fighting with each other. B. Coach Wittenberg talks Arnold, Eugene, Harold, and others to join a Synchronized Swimming team, and swim t
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