The highly anticipated finale of 'Stranger Things' Season 5, titled 'The Right Side Up,' is slated for release on December 31, 2025, in the US. This final episode, the eighth of the season, is expected to resolve the conflict with Vecna and restore normalcy. The runtime is confirmed at 2 hours and 8 minutes, shorter than the previous season's finale, which has drawn mixed reactions from fans. The episode will be available on Netflix and in select theaters.