An educational film is a film or movie whose primary purpose is to educate. Educational films have been used in classrooms as an alternative to other teaching methods. (Wikipedia)
The Unearthly (1957) Review with Mystery Science Theater 3000, Episode 320
The doctor will see you now The Unearthly (1957): 7 out of 10: The Unearthly has acquired the sort of reputation usually reserved for films […]
