Watch S1, EP20: The Invisible Monster with Fubo for $0 Today
TVY7HDJonny Quest30mMeTV Toons
The Quest party helps a fellow scientist stop an energy form they accidentally created.
The Quest party helps a fellow scientist stop an energy form they accidentally created.
How to watch
More episodes
Jonny Quest
S1, EP19 "Attack of the Tree People"A shipboard fire leaves Jonny, Hadji and Dr. Quest stranded on a desert island.
Jonny Quest
S1, EP20 "The Invisible Monster"The Quest party helps a fellow scientist stop an energy form they accidentally created.
Jonny Quest
S1, EP18 "Pirates From Below"Foreign agents hijack Dr Quest's new Underwater Probe, taking Race, Jonny and Bandit prisoner.
The adventures of the 10-year-old son of a government scientist.
Original Air Date: Sep 18, 1964
Genres: Kids/FamilyTV Series
Rating: TVY7
Playback: HD
1 seasons available on demand
Available on