20 best shows like Gantz: Perfect Answer (2011)

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.

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.

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.

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.

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.

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.

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.

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.

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.

With his two friends, a video-game-obsessed young man finds himself in a strange version of Tokyo where they must compete in dangerous games to win.

The story of several young people from around the world who represent the next stage in human evolution, possessing special powers, including the ability to teleport and communicate with each other telepathically. Together they work to defeat the forces of evil.

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

David Haller, AKA Legion, is a troubled young man who may be more than human. Diagnosed as schizophrenic, David has been in and out of psychiatric hospitals for years. But after a strange encounter with a fellow patient, he’s confronted with the possibility that the voices he hears and the visions he sees might be real.

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.

In the dark, early days of a zombie apocalypse, complete strangers band together to find the strength they need to survive and get back to loved ones.

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.

Taking place between the events of Halo 4 and Halo 5: Guardians, Halo: Nightfall follows the origin story of legendary manhunter Jameson Locke (Mike Colter) and his team as they are caught in a horrific terrorist attack while investigating terrorist activity on the distant colony world of Sedra.

Revolution focuses on the struggle to survive 15 years after a global blackout.

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.

Anything can turn spooky in this horror anthology series based on the best-selling books by master of kid horror, R.L. Stine. In every episode, see what happens when regular kids find themselves in scary situations, and how they work to confront and overcome their fears.

Helix is an intense thriller about a team of scientists from the Centers for Disease Control who travel to a high-tech research facility in the Arctic to investigate a possible disease outbreak, only to find themselves pulled into a terrifying life-and-death struggle that holds the key to mankind's salvation...or total annihilation.

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.

A jet leaves on a red-eye flight from Los Angeles to Boston. But early in the flight, ten passengers awaken to a startling realization: All of the other passengers have vanished.

Jericho is an American action/drama series that centers on the residents of the fictional town of Jericho, Kansas, in the aftermath of nuclear attacks on 23 major cities in the contiguous United States.

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.

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.

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.

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.

M.I. High is a BBC children's spy-fi adventure series. It was produced for the BBC by the independent production company Kudos, who also produced the hit BBC spy drama Spooks. It follows in the success of the Young Bond and the Alex Rider series of books and films. M.I. High is recorded in high definition and is shown on the CBBC Channel and CBBC Outputs on BBC One and BBC Two. M.I. High is also shown on the BBC HD Channel. Repeats also frequently air in Australia on ABC3. As of October 2012 the series has began airing on the UKTV channel Watch.

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.

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.

Inspired by the Internet’s “404” error code, Dimension 404 aims to evoke that 3 AM feeling of wandering onto the weird side of the web, stumbling upon stories that cannot be explained in the world that we know.

Traverse a post-apocalyptic world in which a cataclysmic event decimates every mammal with a Y chromosome but for one cisgender man and his pet monkey. Follow the survivors in this new world as they struggle with their efforts to restore what was lost and the opportunity to build something better.

Follow 16-year-old Henrietta, aka Henry, who discovers she has the ability to teleport. The first time she realizes this, she is in a truck with her high school’s Golden Boy, who tries to rape her.

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.

Legendary bounty hunter Boba Fett and mercenary Fennec Shand must navigate the galaxy’s underworld when they return to the sands of Tatooine to stake their claim on the territory once ruled by Jabba the Hutt and his crime syndicate.