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.
Movie tag line: "After all these years, all your questions will finally be answered."
Production companies:
Character: Arnold (voice)
Character: Gerald (voice)
Character: Helga (voice)
Character: Phoebe (voice)
Character: Eduardo (voice)
Character: La Sombra (voice)
Character: Harold (voice)
Character: Stella (voice)
Character: Nadine (voice)
Character: Paulo (voice)
Character: Olga (voice)
Character: Rhonda (voice)
Character: Che (voice)
Character: Mr. Simmons (voice)
Character: Grandpa (voice)
Character: Grandma (voice)
Character: Bob Pataki (voice)
Character: Ernie (voice)
Character: Miriam (voice)
Character: Big Patty (voice)
Character: Stoop Kid (voice)
Character: Coach Wittenberg (voice)
Character: Miles (voice)
Character: Eugene (voice)
Character: Stinky (voice)
Character: Sid (voice)
Character: Curly (voice)
Character: Oskar (voice)
Character: Pigeon Man (voice)