Shows Like Threshold
If you loved Threshold's Sci-Fi & Fantasy and Drama storytelling, these series deliver a similar experience — chosen for tone, narrative quality, and viewer satisfaction. Each includes where to stream it now.
★ Top Picks

Dark Skies
Dark Skies is an American UFO conspiracy theory-based sci-fi television series that aired from the 1996 to 1997 season for 18 episodes, plus a two-hour pilot episode. The success of The X-Files on Fox proved there was an audience for science fiction shows, resulting in NBC commissioning this proposed competitor following a pitch from producers Bryce Zabel and Brent Friedman. The series debuted September 21, 1996 on NBC, and was later rerun by the Sci-Fi Channel. Its tagline was "History as we know it is a lie."

Earth: Final Conflict
Years ago, the Taelons came to Earth, offering friendship and technology to humanity. But there are those who believe the Taelons have more sinister motives.

Taken
The show takes place from 1944 to 2002 and follows the lives of three families: the Crawfords, who seek to cover up the Roswell crash and the existence of aliens; the Keys, who are subject to frequent experimentation by the aliens; and the Clarkes, who sheltered one of the surviving aliens from the crash.

BrainDead
A young fresh-faced Hill staffer gets her first job in Washington, D.C. and discovers two things: 1. The government has stopped working, and 2. alien spawn have come to earth and eaten the brains of a growing number of Congressmen and Hill staffers.

Debris
Two federal agents from two different continents, and two different mindsets, must work together to investigate when wreckage from a destroyed alien spacecraft has mysterious effects on humankind.

Invasion
Earth is visited by an alien species that threatens humanity's existence. Events unfold in real time through the eyes of five ordinary people across the globe as they struggle to make sense of the chaos unraveling around them.

UFO
A secret, high-technology international agency called SHADO defends Earth from alien invaders.

La Brea
An epic adventure begins when a massive sinkhole opens in the middle of Los Angeles, pulling hundreds of people and buildings into its depths. Those who fell in find themselves in a mysterious and dangerous primeval land, where they have no choice but to band together to survive. Meanwhile, the rest of the world desperately seeks to understand what happened. In the search for answers, one family torn apart by this disaster will have to unlock the secrets of this inexplicable event to find a way back to each other.
More Shows Like Threshold

The X-Files
The exploits of FBI Special Agents Fox Mulder and Dana Scully who investigate X-Files: marginalized, unsolved cases involving paranormal phenomena. Mulder believes in the existence of aliens and the paranormal while Scully, a skeptic, is assigned to make scientific analyses of Mulder's discoveries that debunk Mulder's work and thus return him to mainstream cases.

Falling Skies
Falling Skies opens in the chaotic aftermath of an alien attack that has left most of the world completely incapacitated. In the six months since the initial invasion, the few survivors have banded together outside major cities to begin the difficult task of fighting back. Each day is a test of survival as citizen soldiers work to protect the people in their care while also engaging in an insurgency campaign against the occupying alien force.

First Wave
Framed for murder and on the run, a former thief struggles to expose the vanguard of an alien invasion with the help of a conspiracy theorist and newly discovered prophecies of Nostradamus.

Marvel's Agents of S.H.I.E.L.D.
Agent Phil Coulson of S.H.I.E.L.D. (Strategic Homeland Intervention, Enforcement and Logistics Division) puts together a team of agents to investigate the new, the strange and the unknown around the globe, protecting the ordinary from the extraordinary.

The Whispers
We love to play games with our children. But what happens when someone else starts to play with them too? Someone we don't know. Can't see. Can't hear. In The Whispers, someone or something -- is manipulating the ones we love most to accomplish the unthinkable. An unseen alien force has figured this human weakness out. They have invaded earth and are using our most unlikely resource to achieve world domination – our children.

Space: Above and Beyond
Set in the years 2063–2064, the show focuses on the "Wildcards", members of the United States Marine Corps Space Aviator Cavalry, 58th Squadron. They are stationed on the space carrier USS Saratoga, and act as infantry and pilots of SA-43 Endo/Exo-Atmospheric Attack Jet fighters.

Naomi
Follow a teen girl’s journey from her small northwestern town to the heights of the multiverse. When a supernatural event shakes her hometown to the core, Naomi sets out to uncover its origins, and what she discovers will challenge everything we believe about our heroes

The Invaders
The Invaders, alien beings from a dying planet. Their destination: the Earth. Their purpose: to make it their world. David Vincent has seen them, for him it began one lost night on a lonely country road, looking for a shortcut that he never found. It began with a closed deserted diner, and a man too long without sleep to continue his journey. It began with the landing of a craft from another galaxy. Now, David Vincent knows that the Invaders are here, that they have taken human form. Somehow he must convince a disbelieving world that the nightmare has already begun.

Men in Black: The Series
A secret government organization made up of men provide intergalactic immigration services for Earth-bound aliens.

V
A re-imagining of the 1980s miniseries about the world's first encounter with an alien race in which the aliens call themselves The Visitors, and have a seemingly friendly agenda that may or may not be a cover for something more malevolent.

Fringe
FBI Special Agent Olivia Dunham, brilliant but formerly institutionalized scientist Walter Bishop and his scheming, reluctant son Peter uncover a deadly mystery involving a series of unbelievable events and realize they may be a part of a larger, more disturbing pattern that blurs the line between science fiction and technology.

Project Blue Book
A chronicle of the true top secret U.S. Air Force-sponsored investigations into UFO-related phenomena in the 1950s and ’60s, known as “Project Blue Book”.
Why These Shows Are Similar
These recommendations share core qualities with Threshold (2005): Sci-Fi & Fantasy and Drama themes, similar pacing, and comparable production quality. NoBadPicks uses TMDB collaborative filtering, genre matching, and AI analysis to surface series most likely to resonate with fans of Threshold.
See full details for Threshold (2005)