‘Classic Creatures: Return Of The Jedi’:-
https://www.youtube.com/watch?v=Aqcz7ZAIh7w - at the mranderson00001 youtube channel. (A 1983 Documentary. 49 mins)
The blurb:-
"Classic Creatures: Return of the Jedi is a television documentary, first broadcast on CBS in 1983. It is a look behind-the-scenes of the creation of the various alien creatures from the third Star Wars film, Return of the Jedi, which was released that year. The documentary was presented by Star Wars actors Carrie Fisher and Billy Dee Williams, and directed by Robert Guenette who had directed the previous television specials The Making of Star Wars (1977) and SP FX: The Empire Strikes Back (1980).
Hosted by Carrie Fisher and Billy Dee Williams, the special includes an interview with Star Wars creator George Lucas who elaborates on the evolution of the Ewoks, Sy Snootles and Jabba the Hutt, which required six people to operate. It also includes location footage from the redwood forests of Northern California (where the Endor scenes were filmed, Buttercup Valley in the Yuma Desert in Arizona, where the sequence aboard Jabba’s sailbarge was shot, and various scenes on the soundstages at Elstree Studios near London where the interiors of Jabba’s palace were filmed.
Over 60 alien creatures were created for Return of the Jedi which were operated by a variety of techniques old and new."