Here are some frame enlargements from the actual film:

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Cosmo Tigers in formation at the Battle of Mars!

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Cosmo Tigers engage Gamilus warships at the Battle of Mars!

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Construction of the Earth's last Space Battleship, Yamato!

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The Yamato casts off for her voyage to the planet Iscandar!

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The last hope of mankind, Yamato, leaves Earth orbit!

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The Yamato attacked from all sides by the Gamilus forces!

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Powering up the Yamato's ultimate weapon: The Wave Motion Gun!

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The Wave Motion Gun chamber is compressed!

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The Wave Motion Gun is fired!

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The Gamilus task force is utterly annihilated!

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Robot Analyzer springs into action on the planet Gamilus!

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Analyzer fires upon the hordes of Gamilus soldiers!

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The final conflict... Can the Yamato survive?

Source:TV Dogatch