The epic conclusion to Netflix's beloved sci-fi horror series, Stranger Things 5, finally premiered on New Year's Eve, December 31, 2025. The two-hour finale, titled 'The Rightside Up' (Vol. 3), has since dominated online conversations, leaving a passionate fanbase dissecting every moment, particularly the ambiguous fate of its powerful heroine, Eleven (El).
The Final Battle and Vecna's Defeat
The last chapter of the saga saw the group split into two crucial missions. Eleven, Kali, Hopper, and Murray launched a daring assault on the Hawkins Lab. Meanwhile, the rest of the party headed for the radio tower. Inside the Void, El, Kali, and Max confronted the tragic history of Henry Creel at his family home, but Vecna remained unmoved.
The confrontation turned deadly when Lieutenant Akers murdered Kali after Hopper refused to reveal Eleven's location. Following this loss, a grief-stricken Eleven joined the others in the Abyss for the climactic showdown. In a pivotal moment, it was Joyce Byers who delivered the final blow, beheading Vecna with an axe, permanently sealing the threat from the Upside Down.
An Open-Ended Future for Eleven
The series concluded with a poignant callback to its beginning: a game of Dungeons & Dragons. This time, it was Holly Wheeler and her friends rolling the dice, symbolizing the passage of time. Mike, Will, Lucas, and Dustin were shown moving forward into adulthood, leaving their childhood adventures behind.
However, the narrative deliberately left Eleven's destiny unresolved. Did she sacrifice her life to destroy the Upside Down for good? While the final scenes suggested a heroic end, Mike Wheeler proposed an alternative theory. He speculated that the real El might have used a remnant of Kali's illusionary powers to escape her apparent demise. The final shot, showing Eleven with a majestic waterfall in the background—a direct reference to the peaceful future she and Mike once dreamed of—further fueled speculation. The Duffer Brothers ultimately left this central mystery for the audience to interpret.
Fan Theories Decode the Ambiguous Ending
The finale sparked a wave of reactions and theories across social media platforms like Reddit and X (formerly Twitter). While some fans expressed disappointment over underutilized characters, others found the bittersweet conclusion fitting.
One popular Reddit theory drew parallels to Season 1, noting, "This episode was essentially the ending to season 1... Eleven does some cool mind magic stuff. Faces the big bad guy, fakes her death and lets the rest of the party live their lives unimpeded without her." Another fan reflected on the poignant nature of her departure, calling her a "mysterious anomaly" that entered their lives by chance and left in the same way.
Many viewers are convinced of her death, with one stating bluntly on X, "el is definitely dead tho like we saw kali die in her hands." Conversely, a hopeful faction believes she found a new life elsewhere. "I hope that she might be still alive and somewhere living her life in a place with new people. She may even have found her happiness there," tweeted another fan.
The ending's structure has also led to widespread speculation about potential spin-offs. A satisfied viewer tweeted, "10/10 ending... and (possibly) left room for either a sequel or a prequel." This sentiment echoes the belief that the Stranger Things universe may continue to expand in new directions.
All episodes of Stranger Things Season 5, including its dramatic finale, are now available for streaming globally on Netflix.