The House of Seven Gargoyles is the twenty-third episode of the 1960's Jonny Quest.
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- Professor Gunter Erikson (first appearance)
- Dietrich Sorenson (only appearance; dies)
- Ivar (only appearance; dies)
- Emil (only appearance; dies)
- Sven (only appearance; dies)
- India (mentioned)
- Kashmir (mentioned)
- Calcutta (mentioned)
- United States (mentioned)
- Missouri (mentioned)
- Erikon generator and bar
|Tim Matthieson||Jonny Quest|
|Don Messick||Dr. Benton Quest|
|Mike Road||Race Bannon|
|Vic Perrin||Professor Gunter Erikson|
- Lance Falk, The Real Adventures of Jonny Quest season 2 writer and fan of the original series, brought back Erikson for the episode General Winter. He also the idea of Erikson's anti-gravity technology to be the science behind the how the Jonny's hoverboard works in the latter series, although never mentioned onscreen.
- It's implied that Hadji likes girls, but in "The Dreadful Doll", he disliked being kissed on the cheek by Denise Lore.
- Jonny Quest: The Complete First Season DVD released on August 15, 2006 by Warner Home Video.
- Jonny Quest: The Complete First Season (Hanna-Barbera Diamond Collection) DVD released on June 6, 2017 by Warner Home Video.
- Jonny Quest: The Complete Original Series Blu-ray Disc released on June 11, 2019 by Warner Archive Collection.