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Peril from the Planet Mongo (1966)

| Sci-Fi | TV Movie
An edited version of the 1940 Universal serial "Flash Gordon Conquers the Universe," which was released to TV in a syndication package in 1966.

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Three earthlings visit the planet Mongo to thwart the evil schemes of Emperor Ming the Merciless.

Directors: Frederick Stephani, Ray Taylor
Stars: Buster Crabbe, Jean Rogers, Charles Middleton


Cast overview, first billed only:
Flash Gordon (archive footage) (as Larry 'Buster' Crabbe)
Dale Arden (archive footage)
Ming the Merciless (archive footage)
Sonja (archive footage)
Frank Shannon ...
Dr. Zarkov (archive footage)
Shirley Deane ...
Princess Aura (archive footage)
Roka (an Arborian) (archive footage)
Prince Barin (archive footage)
Michael Mark ...
Prof. Karm (archive footage)
Don Rowan ...
Capt. Torch (archive footage)
Victor Zimmerman ...
Lt. Thong (archive footage)
Turan (an Arborian) (archive footage)
Harry C. Bradley ...
Prof. Keedish (archive footage)
Byron Foulger ...
Prof. Druk (archive footage)
William Royle ...
Capt. Sudan (archive footage)


Flash, Dale and Zarkov rocket from Earth to Mongo at the request of Prince Barin of Arboria, for their enemy Ming the Merciless is again active in pursuing conquest of the universe. Ming has developed inferno-producing zontranillium projectiles which he first plans to use to conquer Arboria. After spiriting his daughter Aura, now Barin's wife, to his castle from Arboria with the aid of the traitorous Lady Sonja, Ming prepares to launch his attack while Barin's scientist Keedish hurries to develop an agent that will extinguish zontranillium. But after a seeming success in thwarting Ming, Flash finds Dale too abducted to Ming's palace through devilish means... Written by Rich Wannen <RichWannen@worldnet.att.net>

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arch villain | super hero | alien | See All (3) »







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Aspect Ratio:

1.33 : 1
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Did You Know?


Ming the Merciless: Do you hope to safe your life with this bravado?
Prof. Karm: No Ming. My only hope to get close enough...
[raises voice]
Prof. Karm: to put my hands on your throat!
[lunges at Emperor Ming]
See more »


Edited from Flash Gordon Conquers the Universe (1940) See more »

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User Reviews

Dueling Soundtracks?
2 April 2011 | by (United States) – See all my reviews

Like any film compiled out of a serial, the action and pacing is very jerky and jumpy but overall its quite enjoyable. Unlike many compilations I've seen the overall story line flows well enough that you aren't left lost. This is a good enough for a taste of the old space opera serial but if you are a fan of old serials I'd recommend seeing the complete serial if you can find it.

I found the background music very distracting, it didn't seem to mate with the action on the screen well which is probably a result from an attempt to reedit to match the edited footage. However, it winds up dominating the sound track often overpowering the dialog. I also seemed to catch other music in the background probably from the original soundtrack that wasn't edited out.

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