Stream the full Hey Arnold! Season 4 Episode 15 movie online for free in crystal-clear HD quality. No downloads required—just press play and enjoy the action, complete with English subtitles for an enhanced viewing experience.
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.