Hey Arnold! is a TV show on American national television from Nick with an average rating of 3.4 stars by WatchTVOnDemand.com's visitors. We have 5 episodes of Hey Arnold! in our archive. The first episode of Hey Arnold! was broadcast in January, 2014. Did you miss an episode of Hey Arnold! but don't you wan't that to happen in the future? Please set an alarm and add Hey Arnold! to your favorites, so we can remind you by email when there's a new episode available to watch. Completely free: handy!