The fact that this even exists is completely surreal. But yes, there really was a Star Wars holiday special in 1978. It has to do with Chewbacca finding his little Wookie son and Carrie Fisher singing a holiday song to the tune of the Star Wars theme. It has never been released as a video, and I'm pretty sure that George Lucas and the entire cast are still like, what the HELL was I smoking when I agree to do that?
Here's a little snippet. Hang on 'til the ending to catch the creepy Wookie kid.
Dang, they were doing lots of drugs in the 70s.