Stranger Things Season 5 Finale: Release Time, Runtime and How to Watch “The Rightside Up”

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The series finale of Stranger Things Season 5 titled “The Rightside Up,” is currently scheduled for release on December 31, 2025. Following a unique three-part release strategy, this final episode serves as the eighth chapter of the season and the definitive conclusion to the entire series.

Eleven and Kali standing together prepared for a final battle in Stranger Things Season 5 finale.
A powerhouse reunion: Eleven and Eight join forces for the series conclusion, “The Rightside Up.”

Due to international time zone differences, many viewers outside North America will gain access to the finale on January 1, 2026. For instance, the episode will debut at 1:00 a.m. GMT in the UK and 6:30 a.m. IST in India. Furthermore, fans should prepare for a cinematic experience; the finale is a “supersized” episode clocking in at approximately 2 hours and 5 to 8 minutes. Consequently, this makes it the longest episode of the season, rivaling the length of a feature film.

In addition to the streaming debut, the series will reach a new milestone by offering a limited theatrical run. For the first time in the show’s history, the finale will screen in more than 500 theaters across the U.S. and Canada. These exclusive screenings are set to begin at 5:00 p.m. PT on New Year’s Eve, thereby allowing fans to ring in the new year with the Hawkins crew.

Final Trailer Highlights

Regarding the latest footage, a final trailer released on December 30, 2025 has sent ripples through the fanbase. The trailer features Hopper (David Harbour) delivering a defiant pep talk to Eleven, urging her to fight “one last time” for a world beyond Hawkins. Most notably, the footage teases a long-awaited reunion between Eleven and Kali (Eight) who appears to return for the first time since Season 2 to assist in the final battle.

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