Jonny Quest: Season 1, Episode 21

The Devil's Tower (4 Feb. 1965)

TV Episode  |  TV-Y7  |   |  Animation, Action, Adventure
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Ratings: 7.5/10 from 30 users  
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In Africa, the Quest party is threatened by a psychopathic German war criminal and his obedient troop of all-male Neanderthals.


(as William D. Hamilton)
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Title: The Devil's Tower (04 Feb 1965)

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Episode cast overview:
Mike Road ...
Jonny Quest (voice) (as Tim Matthieson)
Don Messick ...
Danny Bravo ...
Hadji (voice)
Heinrich Von Duffel aka Klaus / Nokto (voice)


In Africa, Dr. Quest's weather balloon gets stuck atop a towering land formation called the Devil's Escarpment. When the Quest team flies to the top to retrieve it, they find a diamond mine, cavemen, and a crazed Nazi war criminal, who, thinking they will reveal his existence to the world, refuses to let them leave alive. Written by afsnowbird

Plot Summary | Plot Synopsis





Release Date:

4 February 1965 (USA)  »

Company Credits

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Technical Specs

Sound Mix:


Aspect Ratio:

1.33 : 1
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Did You Know?


The title refers to the national monument consisting of a monolithic igneous intrusion or volcanic neck located in northeastern Wyoming. The rock formation is 1,267 feet high and the summit is 5,112 feet above sea level. See more »


Dr. Quest's balloon breaks away with a long cable trailing, but when it reaches the plateau, the cable is missing; however, the cable is back when the balloon falls into the fissure. See more »


Roger T. 'Race' Bannon: How'd you get HERE?
Dr. Benton C. Quest: Oh, probably the same way you did - those amazing throwbacks, those cavemen.
Roger T. 'Race' Bannon: Maybe somebody's shooting a B-picture.
See more »

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User Reviews

Von Duffel is as mad as a hatter
5 March 2010 | by (Tennessee) – See all my reviews

Dr. Quest and Race set out to retrieve a scientific balloon that has crashed atop an escarpment known as The Devil's Tower. Race leaves Dr. Quest and returns to camp to pick-up the boys. Back on top of the escarpment, Dr. Quest is no where to be found. Instead, Race, Jonny, and Hadji run into a tribe of cavemen. They also run into a Nazi war criminal known as Von Duffel who has been using the cavemen to mine a load of precious diamonds. Can the whole gang escape the mad Von Duffel or, using Race's plane, will Von Duffel make his own escape?

While not the greatest of episodes, The Devil's Tower is still highly entertaining. Von Duffel is as good a baddie as the Quest Team face in any episode. And by good, I mean he's so stark raving mad that he seems quite capable of anything. Von Duffel's appearance is also a highlight. His stark skeletal features are nicely drawn. He reminds me quite a bit of the Crypt Keeper in appearance. The only real weakness of the episode comes in the final chase scenes as Jonny and family attempt to escape while Von Duffel attacks from overhead in the plane. It's exciting and all, but it feels too much like the finale of an earlier Jonny Quest episode, Shadow of the Condor. Still, a quality entry in the series that I rate a 7/10.

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