The Dark Crystal (1982)

House of Svengoolie, primarily hosted by the characters IMP, Gwengoolie, and Nostalgiaferatoo. second episode of the night as part of October's Boonanza On another planet in the distant past, a Gelfling embarks on a quest to find the missing shard of a magical crystal, and to restore order to his world.

The show’s own verdict is on its page.