Netflix has released the trailer for Stranger Things Season 5's finale, a release that appears to set the stage for the end of the Upside Down era. The teaser begins with a teary-eyed Jim Hopper (David Harbour) urging Eleven (Millie Bobby Brown) to “fight one last time,” before tracing a montage that acknowledges the horrors Eleven has endured since childhood. In the present, Eleven teams with Hopper, Kali Prasad—known as Eight—and Murray Bauman as they prepare to confront Vecna one final time, with Eleven stepping into the bath at Hawkins Lab in the Upside Down to amplify her powers.

From there, the trailer shifts to Dustin (Gaten Matarazzo) and Lucas (Caleb McLaughlin) surveying a desolate, hellscape as Vecna's pulsating lair dominates The Abyss. The footage suggests Vecna is using kidnapped children as vessels to merge Earth with the Abyss, a fusion that would rewrite the world. A sequence that cuts to a curtain closing on Eleven, Max, and Kali provokes questions about whose perspective is being shown and what it means for the group's plans. The clearest throughline is a plan called Operation Beanstalk: draw the two worlds together and wait for the Squawk radio tower to pierce a rift, giving Eleven the chance to enter Vecna's mind and ambush him while the others ascend into the Abyss to rescue the kids.

Season 5's finale, Episode 8, is titled The Rightside Up and runs two hours and eight minutes. It will be shown in theaters nationwide at the same time as it streams on Netflix, at 5:00 p.m. Pacific Time on New Year’s Eve. Co-creator Ross Duffer has advised fans to experience it in theaters only if they’re prepared to cry in a crowded room. The Duffer brothers have urged viewers not to expect a Game of Thrones–style bloodbath, even as questions about who might die loom large. On the reception front, Stranger Things has faced a wave of review bombing after Episode 7 drew lower-than-usual audience scores, though many fans have started pushing back with 5-star reviews to counter the trend.

Reporting on the trailer and the finale’s rollout, IGN’s Wesley Yin-poole frames the news around the theatrical strategy and the high-stakes showdown awaiting Hawkins. The article notes the grandeur of the production and the sense that the entire series is approaching a definitive close, even as questions about the aftermath linger for fans across streaming and theaters.

Wesley Yin-poole portrait