The owl house gang watches a old Disney movie called the black caldron Set in the mythical land of Prydain during the Early Middle Ages, the film centers on a wicked emperor known as the Horned King, who hopes to secure an ancient magical cauldron that will aid him in his desire to conquer the world. He is opposed by young swineherder Taran, the young Princess Eilonwy, the harp-playing bard Fflewddur Fflam, and a friendly wild creature named Gurgi, who seek to destroy the cauldron to prevent the Horned King from ruling the world