Goofs: Continuity: In Chapter One, after Queen Azura vanishes from the throne, she gets hailed by her subjects in the workroom before reappearing in their midst. While she was still out of sight, the subjects greeted and bowed to her. They had no way of knowing the Queen was about to arrive.
(more) Trivia: The title of this serial was originally going to be "Flash Gordon and the Witch Queen of Mongo." It was changed so that Universal could save money by shooting the outdoor scenes on the back lot and not have to build costly sets, and by reusing the set for Emperor Ming's palace.
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