A COSMIC CHRISTMAS appeared on TV in 1977. It signaled the rise of Nelvanna Studios as a player in the Industry. Directed by Clive Smith, this TV special was one of several produced during the late 70's - included THE DEVIL AND DANIEL MOUSE and ROME-O AND JULIE-8 among others.
I watched a few of these at Chuck Jones' studio. Chuck really liked the the Nelvanna style and full animation. He saw it as the future of the industry.
Here is a link to a site that plays the entire special...