Might not be of much use but I’ve sent you a link to the Ewok segment included in the following but might be lower quality than you’re after…
https://originaltrilogy.com/topic/DVD-Return-of-the-Ewok-and-Other-Little-Films-Released/id/2183
Just to add, Skot frequents this very forum. Especially for The Star Wars Holiday Special postings 😃