How many movies have Tadashi Sakazaki and Tatsuzo Nishita collaborated on?

They have worked on 6 movies together! Their first movie together was One Piece: Curse of the Sacred Sword (2004) while their highest rated movie together was Wolf Children (2012). They have not worked together since The Boy and the Beast (2015). They are most known for their animation films together.

The Boy and the Beast (2015)

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Key Animation
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Animation Director

Wolf Children (2012)

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Key Animation
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Key Animation

Summer Wars (2009)

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Key Animation
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Animation Director
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Key Animation

The Girl Who Leapt Through Time (2006)

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Key Animation
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Key Animation

One Piece: Baron Omatsuri and the Secret Island (2005)

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Key Animation
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Key Animation

One Piece: Curse of the Sacred Sword (2004)

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Key Animation
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Key Animation