The official trailer for the upcoming animated spinoff of "Stranger Things," set between Seasons 2 and 3, has been released by Netflix. The show will premiere exclusively on Netflix on April 23, 2026. The trailer offers a detailed look at Hawkins, featuring the familiar characters Mike, Dustin, Lucas, and Will as they explore their adventures through a new gate and battle against creatures from the Upside Down. This is the first significant expansion of the universe into animation.