- Doing It for the Art: The World War I biplanes in "Shadow of the Condor".
- Follow the Leader: The main cast are iconic action/adventure characters although Jonny Quest's original show was designed as an adaptation and then a follow the leader of Jack Armstrong.
- Some elements of Jonny Quest would become elements other Hanna Barbera shows would Follow the Leader on as well.
- Inspiration for the Work: For inspiration Doug Wildey drew from the films of Jackie Cooper and Frankie Darrow, Terry and the Pirates, and, at the behest of Hanna-Barbera, Dr. No.
- Remake Cameo: In Tom and Jerry: Spy Quest, the President is voiced by Tim Matheson, Jonny's 60s voice actor.
- The Other Darrin: As noted, Don Messick replaced John Stephenson as Dr. Quest.
- Screwed by the Network: The show swapped nights with The Flintstones so the latter show wouldn't get thrashed in the ratings by The Munsters.
- What Could Have Been: The show was originally supposed to be an adaptation of the radio serial Jack Armstrong. The story is that Hanna-Barbera could not or would not get the rights resulting in the concept having to be reworked.
- Working Title: "The Saga of Chip Baloo" and "Quest File 037."
Trivia / Jonny Quest