That's the only one there was.
Carrie Fisher was apparently so out of it while it was being made that she doesn't even remember doing it. She sang a version of the theme to Star Wars to which lyrics had been added.
I wanted to gouge my own eyes out and stick pencils through my eardrums while it was on.
Yes, it is truly that bad.
Chewie's father is apparently called "Itchy" and his son is "Lumpy".
Lucas has said that if it were possible, he'd chase down every copy of this monstrosity and beat it to bits with a very large sledgehammer. The story goes that it was made with little to no input from Lucas, but it's got an animated bit that includes Boba Fett (done in a manner reminiscent of the Harry Canyon and Den sequences of Heavy Metal) and Fett's riding a dinosaur.
Methinks it stinks. I mean...it has Harvey Korman (in three roles), Bea Arthur, Art Carney, Jefferson Starship and Diahann Carroll in it, billed as "guest stars".