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.

Cast:Mason Cotton, Benjamin Flores Jr., Francesca Marie Smith, Anndi McAfee, Carlos Alazraqui, Alfred Molina,

Genre:Family, Comedy, Animation, Adventure, TV Movie, Fantasy,

country:United States of America,

Production:Viacom Media Networks, Nickelodeon Animation Studio, Snee-Oosh Productions,