Dororo Episode 3: The Scroll of Bandai: Part 1
Episode 3 of 26 of Dororo, aired April 19, 1969, 26 minutes. Available with English subtitles and dub where released.
Episode summary
Hyakkimaru and Dororo are sleeping in the open by the river when they come across a goblin called Kanekozo. The next day, when they tell the villagers of their encounter with the harmless goblin, they are caught by the villagers and confined in a small hut on the grounds of a female headman called Bandai. That night, a horrifying monster comes out of the old well by the hut. Hyakkimaru tries to destroy it. Source: tezukaosamu.net