Hey Arnold! is a Nicktoon created by Dinosaur Train and Ready Jet Go! creator, Craig Bartlett, which ran from 1996 to 2004. There was an unaired pilot before the show aired dated June 19, 1994, and shown before Paramount Pictures' Harriet the Spy in 1996.

Gallery

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Sources

https://heyarnold.fandom.com/wiki/Pilot_episode

https://heyarnold.fandom.com/wiki/Arnold_Shortman

https://heyarnold.fandom.com/wiki/Helga_G._Pataki

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