"After all these years, all your questions will finally be answered."
2018
1h 21m
7.6(188 votes)
Family
Comedy
Animation
Adventure
TV Movie
Fantasy
Overview
When their trip to San Lorenzo takes a turn for the worst, Arnold and his classmate’s only hope of getting home is retracing the dangerous path that led to Arnold's parents' disappearance.
Videos & Trailers
1 video
Cast & Crew
29 members
Acting
Mason Cotton
Arnold (voice)
Acting
Benjamin Flores Jr.
Gerald (voice)
Acting
Francesca Marie Smith
Helga (voice)
Acting
Anndi McAfee
Phoebe (voice)
Acting
Carlos Alazraqui
Eduardo (voice)
Acting
Alfred Molina
La Sombra (voice)
Acting
Justin Shenkarow
Harold (voice)
Writing
Antoinette Stella
Stella (voice)
No Image
Acting
Laya DeLeon Hayes
Nadine (voice)
Acting
Jamil Walker Smith
Paulo (voice)
Acting
Nika Futterman
Olga (voice)
Acting
Olivia Hack
Rhonda (voice)
Acting
Lane Toran
Che (voice)
Acting
Dan Butler
Mr. Simmons (voice)
Acting
Dan Castellaneta
Grandpa (voice)
Acting
Tress MacNeille
Grandma (voice)
Acting
Maurice LaMarche
Bob Pataki (voice)
Acting
Dom Irrera
Ernie (voice)
Acting
Kath Soucie
Miriam (voice)
Acting
Danielle Judovits
Big Patty (voice)
Acting
Danny Cooksey
Stoop Kid (voice)
Acting
Jim Belushi
Coach Wittenberg (voice)
Writing
Craig Bartlett
Miles (voice)
Acting
Gavin Lewis
Eugene (voice)
Acting
Jet Jurgensmeyer
Stinky (voice)
Acting
Aiden Lewandowski
Sid (voice)
Acting
Nicolas Cantu
Curly (voice)
Acting
Wally Wingert
Oskar (voice)
Acting
Stephen Stanton
Pigeon Man (voice)
