HOP (Hopkinton Organizing for Prevention) Coalition presents two showings of “Screenagers: Under the Influence” on Tuesday, May 16. The film, the third feature documentary in the “Screenagers” trilogy, addresses vaping, drugs and alcohol in the digital age. It delves into how the tech revolution has reshaped adolescence and its effects on substance use. The film will be shown at 10:30 a.m. at the Hopkinton Center for the Arts and then at 7 p.m. at the Hopkinton Middle School auditorium.