20 best shows like Alien Nation (1988)

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.

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

A contemporary and culturally resonant drama about a young programmer, Elliot, who suffers from a debilitating anti-social disorder and decides that he can only connect to people by hacking them. He wields his skills as a weapon to protect the people that he cares about. Elliot will find himself in the intersection between a cybersecurity firm he works for and the underworld organizations that are recruiting him to bring down corporate America.

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.

Follows the crew of the not-so-functional exploratory ship in the Earth's interstellar fleet, 400 years in the future.

Doctor Henry Morgan, New York City’s star medical examiner, has a secret. He doesn't just study the dead to solve criminal cases, he does it to solve the mystery that has eluded him for 200 years—the answer to his own inexplicable immortality. This long life has given Henry remarkable observation skills which impresses his new partner, Detective Jo Martinez. Each week, a new case and their budding friendship will reveal layers of Henry’s long and colorful past. Only his best friend and confidant, Abe knows Henry’s secret.

A thriller set two hundred years in the future following the case of a missing young woman who brings a hardened detective and a rogue ship's captain together in a race across the solar system to expose the greatest conspiracy in human history.

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.

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.

Two homicide detectives, Christian Walker and Deena Pilgrim, are assigned to investigate cases involving people with superhuman abilities, referred to as “Powers.” Set amidst today’s paparazzi culture, Powers asks the questions, what if the world was full of superheroes who aren't actually heroic at all? What if all that power was just one more excuse for mischief, mayhem, murder, and endorsement deals?

A former Marine out to punish the criminals responsible for his family's murder finds himself ensnared in a military conspiracy.

A hyper-noir story that follows a relentless femme fatale who, after being left for dead, sets out to take revenge against her brother and his bombastic gang of gear-heads.

A sexy, suspense-driven legal thriller about a group of ambitious law students and their brilliant, mysterious criminal defense professor. They become entangled in a murder plot and will shake the entire university and change the course of their lives.

An anthology drama focusing on all aspects of the U.S. criminal justice system dealing with crimes committed in America.

A dark odyssey about the dawn of artificial consciousness and the evolution of sin. Set at the intersection of the near future and the reimagined past, it explores a world in which every human appetite, no matter how noble or depraved, can be indulged.

After crash-landing on an alien planet, the Robinson family fights against all odds to survive and escape. But they're surrounded by hidden dangers.

The crew of Moonbase Alpha must struggle to survive when a massive explosion throws the Moon from orbit into deep space.

In a parallel present where the latest must-have gadget for any busy family is a 'Synth' - a highly-developed robotic servant that's so similar to a real human it's transforming the way we live.

Patrick Jane, a former celebrity psychic medium, uses his razor sharp skills of observation and expertise at "reading" people to solve serious crimes with the California Bureau of Investigation.

A medical student who becomes a zombie joins a Coroner's Office in order to gain access to the brains she must reluctantly eat so that she can maintain her humanity. But every brain she eats, she also inherits their memories and must now solve their deaths with help from the Medical examiner and a police detective.

The Doom Patrol’s members each suffered horrible accidents that gave them superhuman abilities — but also left them scarred and disfigured. Traumatized and downtrodden, the team found purpose through The Chief, who brought them together to investigate the weirdest phenomena in existence — and to protect Earth from what they find.

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.

New Amsterdam is an American television drama which aired for eight episodes in 2008 on Fox. The series starred Nikolaj Coster-Waldau as "John Amsterdam", an immortal Dutch man born in 1607, who has lived in New York City on and off since he was 14 years old, and who is a homicide detective in the present day. The series was nominated for an Emmy for Main Title Design.

“Wicked City” follows a unique case set in a noteworthy era of L.A. history, starting with a murder case from 1982 centered on the rock ’n’ roll, cocaine-infused revelry of the Sunset Strip. Alliances are formed to solve a serial murder case.

Before there was Batman, there was GOTHAM. Everyone knows the name Commissioner Gordon. He is one of the crime world's greatest foes, a man whose reputation is synonymous with law and order. But what is known of Gordon's story and his rise from rookie detective to Police Commissioner? What did it take to navigate the multiple layers of corruption that secretly ruled Gotham City, the spawning ground of the world's most iconic villains? And what circumstances created them – the larger-than-life personas who would become Catwoman, The Penguin, The Riddler, Two-Face and The Joker?

Courtney Whitmore, a smart, athletic and above all else kind girl, discovers her step-father has a secret: he used to be the sidekick to a superhero. "Borrowing" the long-lost hero’s cosmic staff, she becomes the unlikely inspiration for an entirely new generation of superheroes.

Person of Interest follows former CIA paramilitary operative, John Reese, who is presumed dead and teams up with reclusive billionaire Finch to prevent violent crimes in New York City by initiating their own type of justice. With the special training that Reese has had in Covert Operations and Finch's genius software inventing mind, the two are a perfect match for the job that they have to complete. With the help of surveillance equipment, they work "outside the law" and get the right criminal behind bars. 

An ex-cop entered a prison as convicted under a false identity in order to infiltrate within a group of prisoners that has just kidnapped the teenage daughter of an important national judge.

In 2008, a fight over land in a seaside town near Rome spirals into a deadly battle between organized crime, corrupt politicians and the Vatican.

When the body of a foreign student is discovered in the streets of the down-at-heel city of Besźel, it’s just another day’s work for Inspector Tyador Borlú of the Extreme Crime Squad. But he uncovers evidence that the murdered girl came from Ul Qoma, a city that shares a dangerous and volatile relationship with Besźel, and this case will challenge everything Borlú holds dear.

A diverse anthology of ambitious, moving tales inspired by Philip K Dick's short stories.

The Killing is an American crime drama television series based upon the Danish television series Forbrydelsen. Set in Seattle, Washington, the series follows the various murder investigations by homicide detectives Sarah Linden and Stephen Holder.

Long on style and perpetually short on cash, bounty hunters Spike, Jet and Faye trawl the solar system looking for jobs. But can they outrun Spike's past?

A retired FBI serial-profiler joins the mysterious Millennium Group, a team of underground ex-law enforcement experts dedicated to fighting against the ever-growing forces of evil and darkness in the world.

Crash-landed alien Harry takes on the identity of a small-town Colorado doctor. Arriving with a secret mission, he starts off living a simple life…but things get a bit rocky when he’s roped into solving a local murder and realizes he needs to assimilate into his new world. As he does, he begins to wrestle with the moral dilemma of his mission and asking the big life questions like: “Are human beings worth saving?” and “Why do they fold their pizza before eating it?”

Two detectives with opposing viewpoints are partnered together five years before the Apocalypse.

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.

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

When everyone else mysteriously vanishes from their wealthy town, the teen residents of West Ham must forge their own society to survive.

A modern-day drama about a crime-solving duo that cracks the NYPD's most impossible cases. Following his fall from grace in London and a stint in rehab, eccentric Sherlock escapes to Manhattan where his wealthy father forces him to live with his worst nightmare - a sober companion, Dr. Watson.

Loosely based on infamous crime boss Bumpy Johnson, who in the early 1960s returned from ten years in prison to find the neighborhood he once ruled in shambles. With the streets controlled by the Italian mob, Bumpy attempts to regain his piece of Harlem.

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.

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

Low Winter Sun is an American television drama series developed by Chris Mundy, starring Mark Strong and Lennie James. The series premiered on August 11, 2013, on AMC, with the first season consisting of ten episodes. It is based upon the 2006 British two-part miniseries of the same name.

Set in the present, the series offers a bold, subversive take on Archie, Betty, Veronica and their friends, exploring the surreality of small-town life, the darkness and weirdness bubbling beneath Riverdale’s wholesome facade.

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.

In the year 2199, a young woman who has lost everything finds a new life at Earth's Space Training Academy where she learns to defend the galaxy from intergalactic threats.

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.

Dr. Temperance Brennan and her colleagues at the Jeffersonian's Medico-Legal Lab assist Special Agent Seeley Booth with murder investigations when the remains are so badly decomposed, burned or destroyed that the standard identification methods are useless.