20 best shows like Attack of the Unknown (2020)

CDC researcher Abby Arcane investigates what seems to be a deadly swamp-born virus in a small town in Louisiana but she soon discovers that the swamp holds mystical and terrifying secrets. When unexplainable and chilling horrors emerge from the murky marsh, no one is safe.

Set in a near-dystopian future, a former cop is forced to take part in a death race where the cars run on human blood. You lose a leg and you lose your head.

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.

Dominion is an epic supernatural drama set in the near future. Specifically, 25 years after "The Extinction War," when an army of lower angels, assembled by the archangel Gabriel, waged war against mankind. The archangel Michael, turning against his own kind, chose to side with humanity. Rising out of the ashes of this long battle are newly fortified cities which protect human survivors. At the center of the series is the city of Vega, a glistening empire that has formed from the ruins of what was once Las Vegas.

Three years after the zombie virus has gutted the country, a team of everyday heroes must transport the only known survivor of the plague from New York to California, where the last functioning viral lab waits for his blood.

Tremors: The Series is a television spin-off of the Tremors franchise. Originally airing out of order on the Sci-Fi Channel, it was later aired in its proper sequence on the G4 Network.

Cha Hyun-Soo is a high school student. He is also a recluse and rarely leaves his room. He refuses to talk to his father, mother and younger sister. One day, his whole family, except for him, dies in a car accident. Cha Hyun-Soo is left all alone. He moves into a small apartment. At this time, a mysterious phenomenon of humans turning into monster occur all around the world. The residents of Cha Hyun-Soo's apartment building, including Pyeon Sang-Wook, fight against these monsters and try to survive.

Living his best life in post-apocalyptic LA, a slacker strives to find the girl of his dreams while outwitting mindless ghouls and cliquish gangs.

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.

R. L. Stine's The Haunting Hour is a Canadian/American original anthology horror-fantasy series, with episodes each half an hour long. The series is based on The Haunting Hour: Don't Think About It Movie, and the books The Haunting Hour and Nightmare Hour anthology by R. L. Stine.

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.

In Edwardian England, George and his partner Amy attempt to defy society and start a life together as they face the escalating terror of an alien invasion, fighting for their lives against an enemy beyond their comprehension.

Jefferson Pierce is a man wrestling with a secret. As the father of two daughters and principal of a charter high school that also serves as a safe haven for young people in a New Orleans neighborhood overrun by gang violence, he is a hero to his community.

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.

Set in an alternate history where “superheroes” are treated as outlaws, “Watchmen” embraces the nostalgia of the original groundbreaking graphic novel while attempting to break new ground of its own.

400 years after the extinction of the human race, a small group of humans are revived by an alien civilization. The colony of revived humans encounter struggles with the aliens who extinguished humankind centuries before, while trying to understand and get along with the mysterious aliens who revived them.

The horror and crime thriller genres collide in this new original series from Robert Rodriguez, based on his cult grindhouse classic about bank-robbing brothers on the run, a lawman bent on bringing them to justice, the devout family caught in the cross-fire, and an ancient evil eager to feast on them all.

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.

Twenty-four-year-old Kara Zor-El, who was taken in by the Danvers family when she was 13 after being sent away from Krypton, must learn to embrace her powers after previously hiding them. The Danvers teach her to be careful with her powers, until she has to reveal them during an unexpected disaster, setting her on her journey of heroism.

After the Royal Family of Inhumans is splintered by a military coup, they barely escape to Hawaii where their surprising interactions with the lush world and humanity around them may prove to not only save them, but Earth itself.

A team of young superheroes led by Nightwing (formerly Batman's first Robin) form to combat evil and other perils.

Criminal Minds: Suspect Behavior was a short-lived American police procedural drama that aired on CBS. The show debuted in 2011 as a spin-off from the successful Criminal Minds, which had premiered in 2005. This edition's profiling team also worked for the Federal Bureau of Investigation's Behavioral Analysis Unit in Quantico, Virginia. In an April 2010 episode of Criminal Minds, during the show's fifth season, the original team met the new team and worked with them to find a San Francisco serial killer. This episode served as the new series' backdoor pilot. Just like the parent series, CBS owned the underlying North American rights, while ABC owned the international rights. The series premiered on February 16, 2011, and filled the Wednesday 10 pm time slot, airing immediately after the original Criminal Minds. CBS cancelled the series on May 17, 2011. The series ends with a cliffhanger. On September 6, 2011 CBS DVD released the complete series as a 4 disc-set. It is packaged as "The DVD Edition". There are numerous special features and two episode commentaries with the cast and crew. The set includes the backdoor pilot from season five of the original show.

A young boy's horror comic book comes to life in this anthology series of terrifying tales.

Josh Futturman, a janitor by day/world-ranked gamer by night, is tasked with preventing the extinction of humanity after mysterious visitors from the future proclaim him the key to defeating the imminent super-race invasion.

Spoiled billionaire playboy Oliver Queen is missing and presumed dead when his yacht is lost at sea. He returns five years later a changed man, determined to clean up the city as a hooded vigilante armed with a bow.

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.

Firestarter: Rekindled is a 2002 television miniseries and the sequel to the film adaptation of the Stephen King novel Firestarter. It stars Marguerite Moreau as now-grownup Charlie McGee, Danny Nucci, Dennis Hopper, and Malcolm McDowell as Charlie's old nemesis from the original story, John Rainbird.It debuted as a Sci Fi Pictures two-night miniseries on the Sci Fi Channel.

A virus has decimated humankind. Those who survived emerged blind. Centuries later when twins are born with the mythic ability to see, their father must protect his tribe against a threatened queen.

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.

When an explosion at a top-secret government lab injures an elderly janitor, no one could have expected the terrifying results. Exposure to mysterious chemicals causes him to undergo a bizarre transformation. He is slowly... incredibly... growing younger every day. Now, a ruthless CIA assassin will stop at nothing to take him prisoner and turn him into a government guinea pig. With his future on the line, the janitor goes on the run with his wife and a feisty female agent. All the while, he continues to transform... into a being with powers that are as deadly as they are unimaginable.

The epic adventure of Hakan, a young shopkeeper whose modern world gets turned upside down when he learns he’s connected to a secret, ancient order, tasked with protecting Istanbul.

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.

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.

Chloe King is looking forward to celebrating her birthday with her friends and single mother, just like every other year... that is until she starts developing heightened abilities and discovers she's being pursued by a mysterious figure. Chloe soon learns she's part of an ancient race which has been hunted by human assassins for millennia —and that she may be their only hope for ultimate survival.

Two teenagers from very different backgrounds awaken to newly acquired superpowers which mysteriously link them to one another.

The Day of the Triffids is a BBC miniseries adaptation of John Wyndham's novel of the same name. The novel had previously been adapted by the BBC in a 1981 miniseries.

The disastrous meltdown of a nuclear power plant in Northern Spain created a contaminated no-go zone and left the nearby provincial city and inhabitants in a state of shock and mourning. Three years later, while the city prepares for the commemoration ceremony, a mutilated body is found in a warehouse. Police inspector Hector Uria's search for the murderer takes him deep into the no-go zone and into his own past.

Daredevil, Jessica Jones, Luke Cage and Iron Fist join forces to take on common enemies as a sinister conspiracy threatens New York City.

Almost Human is an American science fiction/crime drama on Fox. In 2048, the uncontrollable evolution of science and technology has caused crime rates to rise an astounding 400%. To combat this, the overwhelmed police force has implemented a new policy: every human police officer is paired up with a lifelike combat-model android.