The documentary officially titled 'One Last Adventure: The Making of Stranger Things 5' was released globally on Netflix on Monday, January 12, 2026. This two-hour behind-the-scenes chronicle provides an in-depth look at the production of the fifth and final season of the acclaimed series. It captures the 'years of effort and craft' that went into the Duffer Brothers' generation-defining conclusion, showcasing footage from script readings, major battle scenes, and emotional moments as the cast and crew bid farewell to the show. For audiences in India, the documentary became available on Netflix at 1:30 PM IST on January 12, 2026. Globally, it premiered at 12 AM PT / 3 AM ET. This release follows the conclusion of 'Stranger Things' Season 5, which aired its episodes in volumes throughout November and December 2025, with the series finale dropping on December 31, 2025. The documentary also implicitly addresses and debunks the widespread 'Conformity Gate' fan theory that suggested a secret ninth episode would be released after the finale. Director Martina Radwan led the project, offering a unique perspective on the challenges and joys of bringing the beloved series to its end. The documentary is a significant treat for fans, offering closure and a deeper understanding of the show's impact and legacy.