Hey kids (of all ages), it’s Saturday Morning Cartoon time again! Hallowe’en style, even!

Why should Christmas get all the Rankin/Bass Animagic? Here’s their nod to classic horror characters — Mad Monster Party?, released in 1967. Voices include the real Boris Karloff, Phyllis Diller, and Allen Swift’s impressions of a dozen others. Jules Bass, who directed, went on to great fortunes, co-directing The Last Unicorn in 1982. More from the OldHorseman.