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The Mystery Squadron (1933)

Passed | | Action, Adventure | 22 December 1933 (USA)
Hank Davis, foreman on a huge dam project, enlists the aid of his two flyer friends when a sinister figure known as The Black Ace leads his Mystery Squadron of masked pilots in an attempt to destroy the dam.


(story) (as Sherman Lowe), (story) | 4 more credits »




Complete credited cast:
... Fred Cromwell
... Bill 'Jellybean' Cook (as 'Big Boy' Williams)
... Dorothy Gray
... Henry 'Hank' Davis
... Lafe Johnson
... Dr. Flint
... Collins
... Bracken
... Stephen Gray
... Sheriff [Chs. 2-3, 12]
... Tom - Dam Foreman
... Andrew Martin (as Edward Peil)
... Carter - Henchman
... Roberts - Mystery Flyer


Chapter 1, "The Black Ace" opens with dam-project foreman Hank Davis hiring two stunt flyers he once flew with, Fred Cromell and Bill "Jellybean" Cook, to protect the dam from the air raids by a group known as the Mystery Squadron, under the leadership of the mysterious Black Ace. Each attack is preceded by the arrival of a miniature airplane carrying a warning that the Mystery Squadron is about to attack. This makes the workers somewhat disturbed and distressed to the point that they mistake Fred and Bill for members of the criminal air armada. The workers form a vigilante lynch mob from which Fred and Bill must escape and continue their 12-chapter search to unmask The Black Ace. Those in a hurry can flash-forward to the ending of chapters 4-6-8 and 12, as they are all "cheater chapters" comprised primarily of various players recapping, via flashback footage, what has transpired in preceding chapters.Mascot and Republic led the serial world in the use of cheater chapters, but they ... Written by Les Adams <longhorn1939@suddenlink.net>

Plot Summary | Add Synopsis


Action | Adventure






Release Date:

22 December 1933 (USA)  »

Also Known As:

A Esquadrilha Misteriosa  »

Company Credits

Production Co:

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Technical Specs


(12 chapters)

Sound Mix:

(International Recording)

Aspect Ratio:

1.37 : 1
See  »

Did You Know?


It is possible that the man portraying the Black Ace in full costume is not Jack Mulhall but actually a stuntman. See more »


Chapter seven: Various shots of Cromwell flying a Mystery Plane dressed in Mystery Squadron flying togs, then in his own flying togs. See more »


Featured in Sprockets: Classic Serials (1991) See more »

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User Reviews

One of the best Mascot Serials.
3 February 2003 | by See all my reviews

Like all Mascot serials, "Mystery Squadron," was made on a slight budget. But this didn't keep it from being a fun watch. The serial was loaded with good stunt action, and those of you with a bit of interest in vintage airplanes,(circa 1920's) plenty of good aerial action, and fine stunt flying. Of course, in most Mascot serials there was a masked villain, The Black Ace, who's identity would only be revealed in the finial chapter. If you enjoy movie serials, give it a try. One of the best Mascot serials.

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