20+ Best Alien Tv Series to Watch Now

Whether life exists in space is one of life’s greatest mysteries and the subject of one of its most fascinating, contentious disputes.

There are many reports of other people’s encounters with extraterrestrials, not to mention confirmed sightings of UFOs!

Sure, they’re all just tales, but is there sufficient proof to disprove the existence of life on planets other than our own? Our perceptions of aliens result from the media we have ingested, including novels, movies, and TV shows.

In light of this, we’ve compiled a comprehensive list of TV programs that explore all facts about aliens. These shows have them all, whether we’re looking for them or they’ve come to Earth to live with or attack us.

Have you ever wondered what it would be like to discover that aliens exist and have also been residing among humans all along? Think of what life would be like in the Men in the Black universe!

Must-See Alien Tv Series for Sci-Fi Fans

Unsealed: Alien Files ( 2012)

⭐ IMDb rating: 6.4/10
📺 Stream On Roku

Unsealed Alien Files examines records of extraterrestrial and UFO sightings that were made available to the public through the Freedom of Information Act.

Each episode takes on a compelling alien case by releasing these previously restricted personal data.

Ancient Aliens (2009)

IMDB rating: 7.1/10
📺 Stream On: Netflix

The film Ancient Aliens explores the controversial idea that extraterrestrials have visited Earth for millions of years.

Each episode of this popular History series provides historical context for the questions, conjectures, provocative controversies, first-hand accounts, and grounded theories surrounding this age-old controversy.

These contexts range from the time of the dinosaurs to ancient Egypt, from early cave drawings to ongoing mass sightings in the US.

Hangar: The UFO Files (2014)

IMDb rating: 7.2/10
📺 Stream on: Netflix

“Hangar 1: The UFO Files” is a television series that premiered on the History Channel in 2014.

The show explores various UFO sightings and alleged government cover-ups related to UFO encounters.

The series is hosted by MUFON (Mutual UFO Network) investigators, who discuss and analyze various UFO sightings and encounters cases.

The show’s title, “Hangar 1,” refers to an actual facility located in Ohio that supposedly holds files related to UFO sightings and encounters.

Throughout the series, the investigators interview eyewitnesses and experts in various fields, including science and technology, to discuss their experiences and analyze evidence of UFO sightings.

The show also includes reenactments of the reported encounters and features interviews with government officials and military personnel.

While some viewers enjoy the show’s exploration of UFO sightings and alleged government cover-ups, others criticize the series for promoting conspiracy theories and pseudoscience.

Despite this, the show has gained a dedicated following and continues to be popular with audiences interested in the search for extraterrestrial life.

In Search of Aliens (2014)

IMDb rating: 7.1/10
📺 Stream on: Hulu

Giorgio Tsoukalos, an authority on Ancient Aliens and a leading theorist of ancient astronauts, is the subject of the documentary Search of Aliens, which explores the intriguing evidence supporting some of the planet Earth’s most enigmatic riddles.

“In Search of Aliens” is a TV series that premiered on the History Channel in 2014.

The show explores the possibility of extraterrestrial life and examines evidence of alien encounters throughout history.

The host of the show is Giorgio A. Tsoukalos, a Swiss-born writer and television personality who is known for his popularization of ancient astronaut theories.

Each episode of the series focuses on a different topic related to the search for extraterrestrial life, such as UFO sightings, ancient astronaut theories, and alleged government cover-ups.

Throughout the series, Tsoukalos interviews experts in various fields, including archaeology, astronomy, and physics, to discuss their research and theories related to the existence of alien life.

The show also features dramatic recreations and computer-generated graphics to illustrate the various theories and evidence presented.

While the show has been criticized for its sensationalism and lack of scientific rigor, it has gained a significant following among those interested in the search for extraterrestrial life and remains popular with audiences.

UFO Hunters (I) (2008)

IMDb rating: 6.4/10
📺 Stream on: The History

“UFO Hunters” is a TV series that premiered on the History Channel in 2008. The show explores various UFO sightings and alleged government cover-ups related to UFO encounters.

The series features a team of investigators who use scientific methods and advanced technologies to investigate and analyze evidence related to UFO sightings. The group includes William J. Birnes, a publisher and author; Ted Acworth, an engineer; and Pat Uskert, a journalist.

Throughout the series, the team interviews eyewitnesses analyze photographs and videos, and conduct experiments and tests to try to explain the reported UFO sightings.

The show also includes interviews with experts in various fields, including science, technology, and government.

While the show gained a dedicated following, some criticized it for promoting conspiracy theories and pseudoscience. The show was canceled after three seasons in 2009, but many episodes can still be viewed on streaming services and online.

Resident Alien (2021)

IMDb rating: 8.1/10
📺 Stream On: Syfy

Starting things off is the recently released comedy-drama Resident Alien from Syfy, which is based on the Peter Hogan and Steve Parkhouse comic book series of the same name.

Fans may expect a second season, guaranteed for March 2021, even though there have only been ten episodes so far!

Roswell

IMDb on: 7.5/10
📺 Stream On: Netflix

The 1990s generation would undoubtedly remember Roswell, which lasted for three seasons at the turn of the twenty-first century and was based on the novel series Roswell High.

It centered on three superhuman hybrids of humans and aliens.

They were sent to Earth in the hope that one day they would be able to return to their home planet and save their race, which was their destiny.

People of Earth (2016)

IMDb rating: 7.7/10
📺 Stream on: TBS

The idea of People of Earth is very different from the previous episodes; we are not instantly exposed to an alien race at the start of the series.

Instead, Ozzie Graham, a human journalist searching for information regarding purported alien encounters, is introduced to us.

Defiance (2013)

IMDb rating: 6.9/10
📺 Stream On: Syfy

Surprisingly, its legacy has continued to this day in the form of a hugely successful companion video game. However, it just announced its closure starting in April 2021.

Defiance, set in a near post-apocalyptic future, depicts an Earth split between the human Earth Republic and the extraterrestrial Votanis Collective.

Joshua Nolan, a veteran of the conflict that led to this rift, has arrived in the village with his adopted alien daughter, Irisa.

The X-Files(1993)

IMDb rating: 8.6/10
📺 Stream On: Amazon

During its initial run, it generated two spin-offs and diverged into two feature films in 1998 and 2008.

The X-Files was revived with its original creator, cast, and characters for its tenth and eleventh seasons!

Alien Nation (1989)

IMDb rating: 6.3/10
📺 Stream On: Fox

Alien Nation was a detective procedural drama adapted from the same-name film, which came out the year before.

It follows the professional relationship between human detective Matt Sikes and his alien partner George Francisco.

“Alien Nation” is a science fiction television series that premiered in 1989.

The show is set in a fictional future in which a race of aliens known as the “Newcomers” have arrived on Earth as refugees from their home planet, which was destroyed.

The Newcomers are physically different from humans and have their own language and culture.

The show centers around the relationship between a human police detective, Matt Sikes, played by Gary Graham, and his alien partner, George Francisco, played by Eric Pierpoint. Together, they solve crimes and investigate cases involving both humans and Newcomers.

The show explores themes of discrimination, xenophobia, and prejudice as the Newcomers face various forms of discrimination and hostility from some humans.

The show also delves into the cultural differences between humans and Newcomers as they learn to live and work together.

“Alien Nation” was well-received by audiences and critics alike and ran for one season on Fox, followed by several TV movies and a spin-off series.

The show has since gained a cult following and is regarded as a classic of science fiction television.

Falling Skies (2011)

IMDb rating: 7.1/10
📺 Stream On: TNT

The events of TNT’s Falling Skies occur just six months after an alien invasion of Earth.

The 10% of the world’s population that did not perish during those six months had to live in a post-apocalyptic world with no power or technology, no military to protect them, and no objective other than survival.

After forming and making plans to fight back, a group of survivors known as the Second Mass receives assistance from another alien race who grudges against those who raided Earth.

V (2009)

IMDb rating: 6.8/10
📺 Stream On: ABC

“V” is a science fiction television series that premiered on ABC in 2009. The show is a remake of the 1983 miniseries of the same name.

The show centers around the arrival of an alien race known as the Visitors, who come to Earth claiming to be peaceful and seeking to share their advanced technology with humanity.

However, a small group of humans, including an FBI agent named Erica Evans, played by Elizabeth Mitchell, and a priest named Jack Landry, played by Joel Gretsch, discover that the Visitors have a hidden agenda and are not as benevolent as they seem.

As the series progresses, the Visitors’ true intentions are revealed, and the humans are forced to fight back against their oppressive rule.

The show explores themes of resistance, rebellion, and the consequences of blindly accepting authority.

“V” was well-received by audiences and critics alike and was praised for its storytelling, special effects, and performances.

However, the show was canceled after two seasons due to declining ratings. Despite its short run, “V” remains a cult favorite among science fiction fans.

Debris (2021)

IMDb rating: 6.5/10
📺 Stream On: NBC

We meet CIA agent Brian Beneventi and MI6 agent Finola Jones in Debris, two government officers from separate nations.

The two work well together despite having distinct personalities and approaches to their investigations as they look into hundreds of unexplained alien spaceship debris that have fallen throughout the Western Hemisphere.

Invasion (2005)

IMDb rating: 6/10
📺 Stream In: ABC

A strange species of aquatic extraterrestrials enters a small Florida town after a hurricane.

Through cloning, these creatures gradually begin to completely take over the human residents of the town’s bodies and lives. At first, they would merge with the bodies and eventually take over completely.

Taken (2002)

IMDb rating: 7.8/10
📺 Stream On: Sci-Fi Channel

Allie Keys, a human-alien hybrid who holds the answers for the aliens’ destiny on Earth, is portrayed by a young Dakota Fanning, who was then around eight years old. Dakota Fanning also serves as the series narrator.

In Taken, three families’ stories—the Keys, the Crawfords, and the Clarks—are told as they encounter numerous extraterrestrial encounters and alien kidnappings from 1944 to 2002.

The Crawfords are working with the government to conceal the existence of aliens since they discovered a mysterious artifact from a spaceship crash at Roswell, which led them to believe that aliens exist.

First Wave(1998)

IMDb rating: 7.0/10
📺 Stream On: Amazon

From the Canadian network Space Channel came the science fiction drama First Wave. The Sci-Fi Channel picked it up in its first season and gave it three seasons before canceling it.

Contrary to most alien invasion television programs, the intrusion in First Wave is far more subdued; there are no enormous spaceships, reptilian or humanoid species, and no significant conflicts that have altered our world and society.

No, just Cade Foster, a security expert who had a perfect life until he unknowingly agreed to participate in an alien experiment, which completely altered his reality.

The Orville (2017)

IMDb rating: 8/10
📺 Stream On: Hulu

The USS Orville, which serves as the show’s principal spacecraft and is led by Captain Ed Mercer (also portrayed by MacFarlane!) with a mixed crew of humans and aliens, is the inspiration for the name “Orville.”

We are also transported 400 years into the future, to the year 25. Earth and many other planets have formed the Planetary Union in this century.

Lost in Space (2018)

IMDb rating: 7.3/10
📺 Stream On: Netflix

The Swiss Family Robinson, a well-known novel from 1812, was reimagined in a space-age futuristic setting for this 2018 adaption, which is a resurrection of the original 1965 series.

Similar to the novel’s concept, Lost in Space depicts the tale of a family whose voyage is abruptly cut short by tragic and entirely unanticipated events.

But among other families, the Robinson family has been chosen for a space mission that entails colonizing the Alpha Centauri star system to establish a better life there.

Star Trek (2017)

IMDb rating: 7.9/10
📺 Stream On: Paramount

Even though it isn’t the most recent, Star Trek: Discovery is already the seventh series in the franchise.

The events in Star Trek: Discovery took place around ten years before those in Star Trek: The Original Series, which premiered in the late 1960s while being upgraded!

The USS Discovery (NCC-1031) and its crew are at the center of the conflict between the United Federation of Planets and a combined army of Klingons.

The Expanse (2015)

IMDb rating: 8.5/10
📺 Stream On: Amazon

The Expanse steers us from the idea of aliens taking over our world. The Syfy and Prime Video series, based on the James S. A. Corey novels of the same name, has received favorable reviews and several prestigious accolades.

Humanity will have entirely colonized the solar system one hundred years from today. The United Nations governs Earth and Luna.

The Martian Congressional Republic, a military power on Mars, and the Outer Planets Alliance, which consists of the asteroid belt and the moons of Jupiter and Saturn, are the three current major superpowers.

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