Hey Arnold!: While Grandpa Phil, Arnold, Mr. Johanssen, and Gerald go on a trip, Grandpa Phil tells Arnold that he single-handedly won World War I, and Gerald doesn't understand why his father was only a paper-pusher in Vietnam.

Starring:

Spencer Klein, Jamil Walker Smith, Francesca Smith, Justin Shenkarow, Blake McIver Ewing, Anndi McAfee, Olivia Hack

Genre:

Drama, Animation, Comedy, Family, Adventure