Flash Gordon – The Deadly Ray from Mars (1966) starring Buster Crabbe, Jean Rogers
In short, Flash Gordon – The Deadly Ray from Mars is the 1938 Universal serial “Flash Gordon’s Trip to Mars“, edited into a single movie that was released to TV. Having said that, if you’re a fan of the old time movie serials, you’ll have a blast. Emperor Ming of Mongo returns, as well as new additions like the magical Azura, Queen of Mars, the clay people she’s cursed, etc.