Courtesy Of Paramount Movies THEY'RE THE BOMB Langford and Plummer play high school seniors whose class starts blowing up — literally — in Duffield's dark comedy. Our streaming entertainment options are overwhelming — and not always easy to sort through. We talk a lot about the intense pressures on today's teenagers. But what if they started literally exploding? That's the premise of Spontaneous, a horror comedy based on the 2016 young-adult novel of the same name by Vermont author Aaron Starmer. One of the many 2020 films whose theatrical release was curtailed by the pandemic, it's watchable with a subscription to Hulu, Amazon Prime Video, Sling TV or Philo, and rentable elsewhere.