How many movies have Eiji Tsuburaya and Ken'ichirō Maruyama collaborated on?

They have worked on 4 movies together! Their first movie together was Gorath (1962) while their highest rated movie together was Destroy All Monsters (1968). They have not worked together since Destroy All Monsters (1968). They are most known for their science fiction films together.

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Special Effects Supervisor
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Moon Base Employee
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Special Effects
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Newspaper Reporter (uncredited)
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Special Effects Supervisor
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Visual Effects
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Special Effects
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Ôtori Engineer
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Visual Effects Director
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Visual Effects