Five years later, some Soviet programmers also produced an animation: https://www.youtube.com/watch?v=OYrsjc9dz30

It's much shorter, and has much less of a plot, but appears to come from a 3D model projected onto a character grid array; check out the cat's head rotation, and the elaborate mechanics of the paws.

SVG version doesn't fully animate in Android Firefox, looks good in Chrome!