The term "Black Lectroids" refers to a fictional alien race from the 1984 film The Adventures of Buckaroo Banzai Across the 8th Dimension. They are depicted as malevolent beings from the planet Lectroid, characterized by their black clothing and sinister demeanor. The Black Lectroids are in conflict with the heroic character Buckaroo Banzai and his team. In the film, the Black Lectroids are led by the villainous John Bigboote, who seeks to conquer Earth. Their presence adds a layer of science fiction and humor to the story, showcasing the film's unique blend of genres and its cult following over the years.