Animatrix

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The Animatrix (アニマトリックス Animatorikkusu) is a collection of nine animated short films released on June 3, 2003, and set in the fictional universe of The Matrix series.
Development of the Animatrix project began when the film series' writers and directors, the Wachowski brothers, were in Japan promoting the first Matrix film. While in the country, they visited some of the creators of the anime films that had been a strong influence on their work, and decided to collaborate with them

The Animatrix was conceived and overseen by the Wachowski Brothers, but they only wrote four of the segments themselves, and did not direct any of their animation; most of the project's technical side was overseen by notable figures from the world of Japanese animation.
The English language version of The Animatrix was directed by Jack Fletcher