Netflix’s Stranger Things concluded its epic run with the series finale on New Year’s Eve 2025 (December 31 at 8pm ET / January 1, 2026 in many regions), delivering a satisfying closure to the Hawkins saga. The over-two-hour episode resolved the threat of Vecna and the dimensions beyond our world. Fans have been asking: Does the Upside Down still exist after the finale? Here’s a full breakdown.
The Truth About the Upside Down Revealed
Season 5 finally answered one of the show’s biggest mysteries: The Upside Down isn’t a separate alternate dimension. Instead, it’s an interdimensional wormhole bridge connecting Earth to a distant, hostile planet dubbed “the Abyss” – the true home of the Mind Flayer, Demogorgons, and other monsters.
This revelation came in Volume 2, when Dustin deciphered Dr. Brenner’s journals and explained the exotic matter core holding the wormhole stable. The dark, decayed mirror of Hawkins we know as the Upside Down formed when Eleven first banished Henry/One in 1979, freezing it in time on November 6, 1983.
The Final Plan: Destroying the Bridge
In the finale, the group executes their desperate strategy: Use the WSQK radio tower as a “beanstalk” to access the massive rift, with Eleven and Kali entering Vecna’s mindscape while the others battle on the ground.
Key to victory is bombing the exotic matter core – the swirling mass stabilizing the wormhole. Dustin’s idea ensures that destroying it collapses the entire bridge between Earth and the Abyss.
After intense fights (including Kali’s tragic sacrifice to military forces and Joyce’s axe blow to Vecna), the bomb detonates successfully. The wormhole implodes, sealing all connections permanently.
Does the Upside Down Exist Anymore? The Answer
No – the Upside Down no longer exists as a threat or accessible dimension.
With the bridge destroyed:
- All gates and rifts close forever.
- The decaying mirror version of Hawkins vanishes.
- The Abyss remains isolated in its distant corner of the universe, cut off from Earth.
- No more spores, vines, or monster invasions plague our world.
The epilogue shows a healing Hawkins: Clear skies, rebuilding communities, and the gang enjoying a peaceful final D&D session. Snow falls normally (a callback to Season 1’s fears), symbolizing the supernatural threat is truly over.