(EPISODE 5)This background happens to be from the overlords (main villain) ice castle. Here we have a really rare 1980s hand painting screen used panoramic background from the BLACKSTAR animated series by filmation studios. These original hand-painted panoramic backgrounds are incredibly hard to find.
I've only seen one or two of these ever pop up for sale. The size is roughly 11x 30 in!! This item is in the category "Collectibles\Animation Art & Merchandise\Animation Art". The seller is "evsar-27" and is located in this country: US. This item can be shipped worldwide.