Jonny Quest

Watch Jonny Quest Season 1 Episode 20 Online

“The Invisible Monster” — Watch "Jonny Quest" Season 1 Episode 20 online in HD for free. Check streaming providers, cast, and episode details.
Jan 28, 1965 Season 1 Episode 20 25 min
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Jonny Quest Season 1
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Season 1 Episode 20 — Aired on Jan 28, 1965 • runs about 25 minutes.

Written by William D. Hamilton.

Notable cast/guest names in this episode include Tim Matheson, Mike Road, Danny Bravo, Don Messick.

This page includes 2 official still(s) (when available) plus legal availability links.

Looking for “watch Jonny Quest Season 1 Episode 20 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.

Synopsis

Dr. Quest responds to the distress signal from a fellow scientist, who has accidentally unleashed an (invisible) energy monster on a South Pacific island.

Stills

Still from Jonny Quest - Season 1 Episode 20 Still from Jonny Quest - Season 1 Episode 20

Cast

Tim Matheson
Tim Matheson
as Jonny Quest (voice)
Mike Road
Mike Road
as Race Bannon (voice)
Danny Bravo
Danny Bravo
as Hadji (voice)
Don Messick
Don Messick
as Dr. Quest / Bandit (voice)

Episodes – Season 1

1 - 1
Jonny Quest - Season 1 Episode 1
The Mystery of the Lizard Men
Sep 18, 1964
1 - 2
Jonny Quest - Season 1 Episode 2
Arctic Splashdown
Sep 25, 1964
1 - 3
Jonny Quest - Season 1 Episode 3
The Curse of Anubis
Oct 2, 1964
1 - 4
Jonny Quest - Season 1 Episode 4
Pursuit of the Po-Ho
Oct 9, 1964
1 - 5
Jonny Quest - Season 1 Episode 5
Riddle of the Gold
Oct 16, 1964
1 - 6
Jonny Quest - Season 1 Episode 6
Treasure of the Temple
Oct 23, 1964
1 - 7
Jonny Quest - Season 1 Episode 7
Calcutta Adventure
Oct 30, 1964
1 - 8
Jonny Quest - Season 1 Episode 8
The Robot Spy
Nov 6, 1964
1 - 9
Jonny Quest - Season 1 Episode 9
Double Danger
Nov 13, 1964
1 - 10
Jonny Quest - Season 1 Episode 10
Shadow of the Condor
Nov 20, 1964
1 - 11
Jonny Quest - Season 1 Episode 11
Skull and Double Crossbones
Nov 27, 1964
1 - 12
Jonny Quest - Season 1 Episode 12
The Dreadful Doll
Dec 4, 1964
1 - 13
Jonny Quest - Season 1 Episode 13
A Small Matter of Pygmies
Dec 11, 1964
1 - 14
Jonny Quest - Season 1 Episode 14
Dragons of Ashida
Dec 18, 1964
1 - 15
Jonny Quest - Season 1 Episode 15
Turu the Terrible
Dec 25, 1964
1 - 16
Jonny Quest - Season 1 Episode 16
The Fraudulent Volcano
Dec 31, 1964
1 - 17
Jonny Quest - Season 1 Episode 17
Werewolf of the Timberland
Jan 7, 1965
1 - 18
Jonny Quest - Season 1 Episode 18
Pirates from Below
Jan 14, 1965
1 - 19
Jonny Quest - Season 1 Episode 19
Attack of the Tree People
Jan 21, 1965
1 - 20
Jonny Quest - Season 1 Episode 20
The Invisible Monster
Jan 28, 1965
1 - 21
Jonny Quest - Season 1 Episode 21
The Devil's Tower
Feb 4, 1965
1 - 22
Jonny Quest - Season 1 Episode 22
The Quetong Missile Mystery
Feb 11, 1965
1 - 23
Jonny Quest - Season 1 Episode 23
The House of Seven Gargoyles
Feb 18, 1965
1 - 24
Jonny Quest - Season 1 Episode 24
Terror Island
Feb 25, 1965
1 - 25
Jonny Quest - Season 1 Episode 25
Monster in the Monastery
Mar 4, 1965
1 - 26
Jonny Quest - Season 1 Episode 26
The Sea Haunt
Mar 11, 1965

Trailer / clip

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