In a way they did Rankin Bass did outsource the animation to Japan. In this case Pacific Animation Corporation later becoming Disney's Japanese animation studio.
Curious is there a place I can see the painted backgrounds of the outro? They're one of the things that stick with me the most I think. It's inspiring me to make my own cool wasteland!
Yo igual hacia lo mismo use un palo de madera haciéndole un hueco me ponía a gritar como leono la canción de tundercast muy buena su canción del inicio y el final