Hey Arnold! 1996 | TV Show Watchlist

Hey Arnold!

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An animated look at city life through the eyes of 9-year-old Arnold, who has a football-shaped head and lives in a racially diverse neighborhood in a boardinghouse with his grandparents.

Premiered: October 7, 1996

Rating: TV-Y7

User Rating:4.98 out of 5 (842 ratings)

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Season 2, Episode 37 Bio Square

First Aired: December 1, 1997

As part of a science project, Arnold and Gerald prepare to spend 24 hours in a greenhouse—until Helga foils their plans.

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