The Lost Letter

Directed by Valentina Brumberg and Zinaida Brumberg

With Mikhail Yanshin, Boris Livanov, Sergei Martinson, Leonid Pirogov and Vasiliy Kachalov

The first Soviet cel-animated feature film, based on the story with the same name by Nikolai Gogol. A messenger is tasked with delivering a letter to the Tsarina, which he tucks into his hat for safekeeping on the road. While resting at night, a band of demons steals the hat, and he must travel to Hell to retrieve it.