You can now watch the entire Hey Arnold! Season 4 Episode 15 movie online in high-definition quality, complete with English subtitles for a better viewing experience. Best of all, there’s no need to download anything—simply stream it directly from your device anytime, anywhere.
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.