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
Arnold (voice)
Benjamin Flores Jr.
Gerald (voice)
Francesca Marie Smith
Helga (voice)
Anndi McAfee
Phoebe (voice)
Carlos Alazraqui
Eduardo (voice)
Alfred Molina
La Sombra (voice)
Justin Shenkarow
Harold (voice)
Antoinette Stella
Stella (voice)
Laya DeLeon Hayes
Nadine (voice)
Jamil Walker Smith
Paulo (voice)
Nika Futterman
Olga (voice)
Olivia Hack
Rhonda (voice)
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