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.
Francesca Marie Smith (born March 26, 1985) is an American actress known for voicing Helga Pataki on the Nickelodeon animated television series Hey Arnold!. She is also known for voicing multiple characters on Disney's Recess, most notably as Ashley B. and Swinger Girl, among others. Description above from the Wikipedia article Francesca Marie Smith, licensed under CC-BY-SA, full list of contributors on Wikipedia.