List of Hey Arnold! episodes

This is a complete list of episodes for the animated television series Hey Arnold, which originally aired on Nickelodeon from October 7, 1996 to June 8, 2004. It is the fourth longest running Nicktoon (with Rugrats at number 3, The Fairly OddParents at number 2, and SpongeBob SquarePants being number one). The series aired in reruns on Nickelodeon until 2007. Reruns have been broadcast since 2011 on Nickelodeon's sister network TeenNick during the channel's late-night television block The 90's Are All That, and still rerun on the block's re-brand, The Splat. There are 100 episodes in total.