Flash Gordon Conquers the Universe

Doom of the Dictator (1x12)

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Flash finds out the source of Ming’s mysterious power, (he’s very eco-friendly) but no matter, because Ming is planning to send a rocket full of powerful ‘solarite’ to crash into earth, obliterating the planet. Flash doesn’t take too kindly to his, so he and his group manage to take the rocket over, and give Ming a final taste of his own medicine.