Emily Blunt in 'Disclosure Day': Video Claims to Reveal the 'Real Alien Voice' Hidden in Chilling Trailer
A slowed down clip from Spielberg's secretive sci fi film has viewers convinced something otherworldly is hiding in plain sound

The internet is convinced Steven Spielberg has slipped up. A newly viral video claims to expose a 'real alien voice' hidden in Emily Blunt's deeply unsettling performance in the teaser trailer for Disclosure Day, the director's secretive new sci-fi project.
Slowed-down audio, eerie frequencies and whispered online theories have collided, sending fans into full speculation mode, all triggered by a few chilling seconds of Blunt seemingly losing control live on television.
The Trailer Moment That Sparked Online Panic
The teaser for Disclosure Day arrived quietly but hit like a shockwave. Released by Universal Pictures and confirmed by ABC News, the short clip offers mood rather than answers.
Emily Blunt appears as a Kansas City weather presenter delivering a routine forecast when her voice suddenly changes. Her speech fractures into strange sounds that do not resemble words, let alone meteorology.
The moment is brief but deeply unsettling. Blunt's eyes glaze, her posture stiffens and the broadcast collapses into confusion. Viewers quickly began replaying the scene, convinced the noises were not random.
According to a viral post shared on X, the audio allegedly reveals a hidden pattern when slowed down, with some claiming it is built on sine waves capable of carrying subliminal messages.
The claim has not been backed by the studio or filmmakers, but that has not slowed the frenzy. Fans argue the sounds feel too deliberate to be meaningless, especially in a Spielberg project built on secrecy.
🚨 LISTEN AGAIN!
— Moneypenny (@nic_moneypenny) December 17, 2025
EMILY BLUNT IN DISCLOSURE DAY
Hear the real alien voice behind it
This is now on half speed but you can slow it down yourself even more.
Some have claimed caution as the alien voice is said to be based on sine waves which provide a hidden subliminal message… pic.twitter.com/KPKepS8Trm
What Spielberg Has Actually Revealed So Far
Officially, Disclosure Day remains mostly locked down. The film stars Emily Blunt alongside Josh O'Connor, Colin Firth, Eve Hewson and Colman Domingo. The screenplay was written by David Koepp, the long time Spielberg collaborator behind Jurassic Park and War of the Worlds.
The teaser shows fragmented scenes rather than a clear plot. Colin Firth appears restrained and wired to a machine, visibly distressed by something he is watching.
Josh O'Connor's character insists on 'full disclosure to the whole world, all at once', a line that has only fuelled theories about hidden truths and global revelations.
Crop circles flash across the screen, deer stare unnaturally into the camera and symbols linger just long enough to feel intentional.
Universal Pictures has confirmed the title and release of the teaser but has offered no explanation for the disturbing broadcast scene or the sounds coming from Blunt's character.
Why Fans Think The Sound Means More
According to Esquire, Spielberg has deliberately wrapped Disclosure Day in mystery, letting curiosity do the marketing.
Billboards featuring a single inverted blue eye surrounded by coded markings appeared in New York and Los Angeles days before the teaser dropped, priming audiences to search for meaning in every detail.
That context matters. Spielberg has a long history with extraterrestrial storytelling, from Close Encounters of the Third Kind to E.T. and War of the Worlds.
Fans believe he rarely includes anything without purpose, especially sound. This has led to claims that Blunt's altered voice is not just acting but a clue, possibly representing an alien presence communicating through human speech.
Some online users argue the slowed down audio reveals layered tones rather than a single voice, suggesting design rather than distortion. Others warn against reading too much into it, noting that sound design often aims to unsettle rather than encode messages.
Separating Viral Theory From Film Reality
At present, there is no evidence that the trailer contains an actual hidden message. The claims originate entirely from social media users analysing a clip with no confirmation from Universal Pictures, Spielberg or the sound team behind the film. Audio manipulation can easily create patterns that feel meaningful even when they are not.
Still, the reaction proves Spielberg's strategy is working. Disclosure Day has become a talking point not because of what it explains, but because of what it withholds.
Whether the 'alien voice' theory is clever marketing, coincidence or pure imagination, it has locked audiences into the mystery months before release.
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