Jonny Quest The Invisible Monster (Season 1, Episode 20)
TV-Y7
TV Episode | 30 min | Animation, Action, Adventure

Jonny Quest

The Invisible Monster (Season 1, Episode 20)

TV-Y7

TV Episode | 30 min | Animation, Action, Adventure

A fellow scientist accidentally creates living energy that only lives to feed on more energy, including that from living organisms. The Quest party answers his plea for help.

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Cast	+ Add Cast
5 cast members

Name	Known for
Mike Road Race Bannon (voice) Race Bannon (voice) See fewer	The Roaring 20's (1960)
Tim Matheson Jonny Quest (voice) (as Tim Matthieson) Jonny Quest (voice) (as Tim Matthieson) See fewer	National Lampoon's Animal House (1978)
Don Messick Dr. Benton Quest / Bandit (voice) Dr. Benton Quest / Bandit (voice) See fewer	The Last Unicorn (1982)
Danny Bravo Hadji (voice) Hadji (voice) See fewer	The Magnificent Seven (1960)
John Stephenson Dr. Isaiah Norman (voice) Dr. Isaiah Norman (voice) See fewer	Charlotte's Web (1973)