Us 21st century kids with our Unreal Engines and fancy computers think our animation is just so shit hot. And it is! But it had to come from somewhere, and that somewhere are these very humble beginnings.

This 1971 Canadian documentary looks at the very early days of the practice of key frame animation.

For reference, the two men behind this technology, Marceli Wein and Nestor Burtnyk, would both go on to win Academy Awards for their contributions to the field.