: Will, Mike, and Lucas—now high school seniors—attempt to maintain a low profile during the military occupation. Meanwhile, Steve, Nancy, Jonathan, and Robin operate from a local radio station, sending coded messages and coordinating "crawls"—dangerous scouting missions into the Upside Down by stowing away on military caravans.
: Dr. Kay (played by Linda Hamilton) is introduced as a military official tasked with locating Eleven and overseeing operations in the Upside Down. Key Plot Points [S5E1] Held Back
The fifth season of officially premiered on November 26, 2025 , with the first episode titled "Chapter One: The Crawl" . Episode 1: " The Crawl " Overview : Will, Mike, and Lucas—now high school seniors—attempt