The Invisible Monster

"The Invisible Monster" is the twentieth episode of Jonny Quest season one. It aired on January 28, 1965 on ABC. It was written by William D. Hamilton, and produced and directed by William Hanna and Joseph Barbera, the founders of Hanna-Barbera Productions.

On an island in the South Pacific, a fellow scientist of Doctor Quest unleashes an invisible energy monster by accident. Determined to find it, Doctor Quest travels to the premises with the purpose of hunting down the threat.

Characters

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Locations

 * Earth

Music
The music was composed by Hoyt Curtin, who was credited as the musical director.

Release
Dates are in order of release:


 * United States: January 28, 1965 on ABC

Home availability

 * In the United States:
 * August 15, 2006: Warner Home Video releases Jonny Quest: The Complete First Season on DVD.
 * June 6, 2017: Warner Home Video releases Jonny Quest: The Complete First Season (Hanna-Barbera Diamond Collection edition) on DVD.
 * June 11, 2019: Warner Archive Collection releases Jonny Quest: The Complete Original Series on Blu-ray Disc.