Title: Hey Arnold! The Movie
When a powerful developer named Mr. Scheck wants to knock down all the stores and houses in Arnold's neighborhood to build a huge "mall-plex", it looks likes the neighborhood is doomed to disappear. But with the help of a superhero and a mysterious deep-voiced stranger, Arnold and Gerald will need to recover a crucial document in order to save their beloved neighborhood.
Craig Bartlett (characters), Craig Bartlett, Steve Viksten
... Helga Geraldine Pataki
... Gerald Martin Johanssen
... Grandpa 'Steely' Phil / Nick Vermicelli
... Grandma Gertie 'Pookie' / Mayor Dixie / Red