Animatrix Plot Summary: The Animatrix represents more than three years of collaboration between the Wachowski Brothers and animation artists at studios in Japan, Korea, and the U.S. So, what is The Animatrix. It is a series of nine feature-film-quality short animated films. All of The Animatrix is deeply rooted in the world of the Matrix films. Viewers of The Animatrix will learn the origins of characters familiar from the Matrix films, learn of the genesis of the Matrix itself, as well as meet new characters in original stories inter-woven with the fabric of The Matrix feature films.