When Arnold receives Mr. Hyunh's name in the boarding house's annual Secret Santa draw, he decides to make it the most special Christmas ever for the lonely boarder, and tries to reunite Mr. Hyunh with his long-lost daughter. Meanwhile, Helga agonizes over what would make the perfect present for Arnold.
Lane Toran , Francesca Marie Smith , Jamil Walker Smith , Tress MacNeille , Dan Castellaneta , Maurice LaMarche , Kath Soucie , Olivia Hack , Anndi McAfee , Baoan Coleman
Nickelodeon Animation Studio
