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.
as Arnold (voice)
as Gerald (voice)
as Helga (voice)
as Phoebe (voice)
as Eduardo (voice)
as La Sombra (voice)
as Harold (voice)
as Stella (voice)
as Nadine (voice)
as Paulo (voice)
as Olga (voice)
as Rhonda (voice)
as Che (voice)
as Mr. Simmons (voice)
as Grandpa (voice)
as Grandma (voice)
as Bob Pataki (voice)
as Ernie (voice)
as Miriam (voice)
as Big Patty (voice)
as Stoop Kid (voice)
as Coach Wittenberg (voice)
as Miles (voice)
as Eugene (voice)
as Stinky (voice)
as Sid (voice)
as Curly (voice)
as Oskar (voice)
as Pigeon Man (voice)
