20 best shows like Threshold (2005)

The Event is an emotional, high-octane conspiracy thriller that follows Sean Walker, an everyman who investigates the mysterious disappearance of his would-be fiancée Leila, and unwittingly begins to expose the biggest cover-up in U.S. history.

When a young boy vanishes, a small town uncovers a mystery involving secret experiments, terrifying supernatural forces, and one strange little girl.

After a particle accelerator causes a freak storm, CSI Investigator Barry Allen is struck by lightning and falls into a coma. Months later he awakens with the power of super speed, granting him the ability to move through Central City like an unseen guardian angel. Though initially excited by his newfound powers, Barry is shocked to discover he is not the only "meta-human" who was created in the wake of the accelerator explosion -- and not everyone is using their new powers for good. Barry partners with S.T.A.R. Labs and dedicates his life to protect the innocent. For now, only a few close friends and associates know that Barry is literally the fastest man alive, but it won't be long before the world learns what Barry Allen has become...The Flash.

Set two generations before the destruction of the legendary Man of Steel’s home planet, Krypton follows Superman’s grandfather — whose House of El was ostracized and shamed — as he fights to redeem his family’s honor and save his beloved world from chaos.

V is an American science fiction television series that ran for two seasons on ABC, from November 3, 2009 to March 15, 2011. A remake of the 1983 miniseries created by Kenneth Johnson, the new series chronicles the arrival on Earth of a technologically advanced alien species which ostensibly comes in peace, but actually has sinister motives. V stars Morena Baccarin, Lourdes Benedicto, Morris Chestnut, Joel Gretsch, Logan Huffman, Charles Mesure, Elizabeth Mitchell, Laura Vandervoort and Scott Wolf, and was executive produced by Scott Rosenbaum, Yves Simoneau, Scott Peters, and Jace Hall. The series was produced by The Scott Peters Company, HDFilms and Warner Bros. Television.

Set more than seven years after the world has become a frozen wasteland, the remnants of humanity inhabit a gigantic, perpetually-moving train that circles the globe as class warfare, social injustice and the politics of survival play out.

A dysfunctional family of superheroes comes together to solve the mystery of their father's death, the threat of the apocalypse and more.

When day becomes night, a strict curfew forces ordinary people to go pedal to the metal in a deadly race for freedom. During this contest, alliances and friendships are both made and lost.

Ichabod Crane is resurrected and pulled two and a half centuries through time to unravel a mystery that dates all the way back to the founding fathers.

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.

Heroic U.S. Army scientist Dr. Nancy Jaax, working with a secret military specialized team, puts her life on the line to head off an Ebola outbreak before it spread to the human population.

Everything changes when Alex Rider learns that his uncle Ian has actually been killed in the line of duty as a British spy. The normal teen is approached by the head of The Department and pressured to help investigate his uncle's death. Alex reluctantly assumes a new identity and goes undercover in a remote boarding school called Point Blanc.

Andromeda is a Canadian/American science fiction television series, based on unused material by the late Star Trek creator Gene Roddenberry, developed by Robert Hewitt Wolfe, and produced by Roddenberry's widow, Majel Barrett. It starred Kevin Sorbo as High Guard Captain Dylan Hunt. The series premiered on October 2, 2000 and ended on May 13, 2005. Andromeda was filmed in Vancouver, British Columbia, Canada, and produced by Tribune Entertainment and Fireworks Entertainment. It was distributed by Global TV in Canada and syndicated in the United States on WGN and other channels. It was picked up by the Sci-Fi Channel in the U.S. halfway through season four. Andromeda is one of two TV series based upon concepts Roddenberry had created as early as the 1960s and 1970s. The name Dylan Hunt had also been used for the hero of two TV movie pilots Roddenberry had produced in the mid-1970s, Genesis II and Planet Earth, which had a similar premise. The other series posthumously created from Roddenberry's notes is Earth: Final Conflict.

Stripped of everything, the survivors of a horrific plane crash must work together to stay alive. But the island holds many secrets.

As the world's first generation of superheroes (who received their powers in the 1930s) become the revered elder guard in the present, their superpowered children struggle to live up to the legendary feats of their parents.

A group of vigilantes known informally as “The Boys” set out to take down corrupt superheroes with no more than blue-collar grit and a willingness to fight dirty.

With the Ancients' city of Atlantis discovered in the Pegasus Galaxy by Stargate Command, Dr. Elizabeth Weir and Major Sheppard lead a scientific expedition to the ancient abandoned city. Once there, the team not only find themselves unable to contact Earth, but their explorations unexpectedly reawaken the Ancients' deadly enemies, The Wraith, who hunger for this new prey. Now with the help of newfound local allies like Teyla Emmagan, the Atlantis Team sets about to uncover their new home's secrets even as their war of survival against the Wraith begins.

FBI agent Audrey Parker arrives in the small town of Haven, Maine to solve a murder and soon discovers the town's many secrets—which also hold the key to unlocking the mysteries of her lost past.

Defiance is an American science fiction television show that takes place in the future on a radically transformed Earth containing new species arriving from space. In the show, Joshua Nolan works as the lawman for the town of Defiance, a community where humans and intelligent extraterrestrial species coexist. The show follows Nolan, his adopted alien daughter Irisa, and the town's new mayor Amanda Rosewater.

Kate Kane, armed with a passion for social justice and a flair for speaking her mind, soars onto the streets of Gotham as Batwoman, an out lesbian and highly trained street fighter primed to snuff out the failing city's criminal resurgence. But don't call her a hero yet. In a city desperate for a savior, Kate must overcome her own demons before embracing the call to be Gotham's symbol of hope

Set amidst a wave of violent animal attacks sweeping across the planet, a young renegade scientist is thrust into a race to unlock the mystery behind this pandemic before time runs out for animals and humans alike.

The story of the United States' space program, from its beginnings in 1961 to the final moon mission in 1972.

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.”

After waking in a park with total amnesia — and surrounded by dead bodies, all wearing latex gloves — a young woman must fight to uncover her past, and resume her position at the head of Britain’s most secret (supernatural) service before the traitors who stole her memory can finish what they started.

After landing from a turbulent but routine flight, the crew and passengers of Montego Air Flight 828 discover five years have passed in what seemed like a few hours. As their new realities become clear, a deeper mystery unfolds and some of the returned passengers soon realize they may be meant for something greater than they ever thought possible.

Sydney Bristow, an agent who has been tricked to believe she is working for the U.S. government, is actually working for a criminal organization named the Alliance of Twelve. Upon learning this, Sydney becomes a double agent for the real CIA.

Minority Report follows the unlikely partnership between a man haunted by the future and a cop haunted by her past, as they race to stop the worst crimes of the year 2065 before they happen. Set in Washington, D.C., it is 10 years after the demise of Precrime, a law enforcement agency tasked with identifying and eliminating criminals... before their crimes were committed. To carry out this brand of justice, the agency used three precogs - "precognitives" Dash, Arthur and Agatha - who were able to see the future. Now, in 2065, crime-solving is different, and justice leans more on sophisticated and trusted technology than on the instincts of the precogs.

To escape reality 17-year-old Leila turns to a secret virtual paradise. Her real journey begins when this digital Eden turns dark.

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.

Lawyer-by-day Matt Murdock uses his heightened senses from being blinded as a young boy to fight crime at night on the streets of Hell’s Kitchen as Daredevil.

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.

Odyssey 5 is a Canadian science fiction series that first ran in 2002 on Showtime in the United States and on Space in Canada.Odyssey 5 is the brainchild of Manny Coto, who served as a script-writer and executive producer during the series run. Through his website and in interviews, Coto has expressed his interest in returning to the series at some point, either continuing it or giving it a conclusion.

A drama centered on a high-tech intelligence operative who is enhanced with a super-computer microchip in his brain, and the director of the elite government cyber-security agency who supports him.

After a tragic ending to her short-lived super hero stint, Jessica Jones is rebuilding her personal life and career as a detective who gets pulled into cases involving people with extraordinary abilities in New York City.

Their mission is simple: Find a cure. Stop the virus. Save the world. When a global pandemic wipes out eighty percent of the planet's population, the crew of a lone naval destroyer must find a way to pull humanity from the brink of extinction.

A post-apocalyptic story about a botched U.S. government experiment that turns a group of death row inmates into highly infectious vampires, and an orphan girl who might be the only person able to stop the ensuing crisis.

In the year 2093, a team of scientists aboard the Nightflyer, the most advanced ship ever built, embarks on a journey to find other life forms. Their mission takes them to the edge of the solar system, and to the edge of insanity, as they realize true horror isn't waiting for them in outer space—it's already on their ship.

Torchwood is a British science fiction television programme created by Russell T Davies. The series is a spin-off from the 2005 revival of the long-running science fiction programme Doctor Who. Torchwood follows the exploits of a small team of alien hunters, who make up the Cardiff branch of the fictional Torchwood Institute, which deals mainly with incidents involving extraterrestrials.

Given superstrength and durability by a sabotaged experiment, a wrongly accused man escapes prison to become a superhero for hire.

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.