It's blockbuster season, but low-budget horror films from YouTubers — like Iron Lung, Obsession, and Backrooms — are what's got Hollywood talking.This episode was produced by Peter Balonon-Rosen, edited by Jenny Lawton, fact-checked by Gabriel Dunatov, engineered by Patrick Boyd and David Tatasciore, and hosted by Sean Rameswaram.A still from the movie Backrooms. Courtesy A24 Films. Listen to Today, Explained ad-free by becoming a Vox Member: vox.com/members. New Vox members get $20 off their membership right now. Transcript at ⁠vox.com/today-explained-podcast.⁠ Learn more about your ad choices. Visit podcastchoices.com/adchoices