"Spontaneous" is a 2020 American coming-of-age black comedy science fiction film directed by Brian Duffield in his directorial debut. The film stars Katherine Langford and Charlie Plummer as high school seniors Mara and Dylan, who navigate the complexities of young love amidst a bizarre phenomenon where their classmates begin to spontaneously explode. Blending dark humor with heartfelt moments, the film explores themes of mortality, adolescence, and the unpredictability of life. "Spontaneous" received positive reviews for its unique premise and the performances of its leads.