Deep Impact (1998)
Clips seen on a TV set."Nostalgia Critic" Nicktoons (TV Episode 2009)
Reviewed, clips shown."Familiar Faces" Familiar Faces #77: Daisy Head Mayzie (TV Episode 2014)
CR recognizes Francesca Marie Smith's voice."WatchMojo" Top 10 Fictional Animated TV Towns (TV Episode 2014)
Hillwood gets an honorable mention."WatchMojo" Top 10 TV Grandpas of All Time (TV Episode 2014)
Grandpa Phillip is #10.
Hey Arnold! The Movie (2002)
Hey Arnold: The Jungle Movie (TV Movie 2017)
Arnold Rides His Chair (TV Short 1991)
"The Angry Beavers" Open Wide for Zombies/Dumbwaiters (TV Episode 1998)
One of the masks the Snootwells give Norbert and Daggett in "Dumbwaiters" is of Helga Pataki from this show.Road Trip (2000)
Referenced.Nickelodeon Magazine Commercial (Short 2000)
One of the magazines has Hey Arnold on it.Nicktoons Nick Tunes (Video Game 2001)
Arnold appears in this game.Jimmy Neutron: Boy Genius (2001)
Referenced.
Arnold Escapes from Church (Short 1988)
Spin-off.The Arnold Waltz (Short 1990)
Spin-off.Hey Arnold!: 24 Hours to Live (Short 1994)
Spin-off.
"Heroes Delight" Wakey! Wakey! (TV Episode 2002)
"We call it 'Hey Vincent!'"Hey Arnold! The Movie (Video 2012)
This short is made as a spoof of the series.Frizzle and the Magic School Bus (Video 2014)
Helga appears as one of Ms. Frizzle's studentsKinda Funny: The Animated Series (TV Mini Series 2016–2017)
Introduction from this one."Robot Chicken" Jew No. 1 Opens a Treasure Chest (TV Episode 2018)
Parody skit.