The 40+ Best Alien TV Shows, Ranked

Ranker TV
Updated April 25, 2024 103.1K views 46 items
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Vote up the best shows about aliens, both scripted and unscripted.
Latest additions: The Secret of Skinwalker Ranch, Parasyte: The Grey, 3 Body Problem
Most divisive: Parasyte: The Grey
Over 1.9K Ranker voters have come together to rank this list of The Best Shows About Aliens

In the boundless universe of television, alien TV shows offer a thrilling journey that transports viewers to otherworldly dimensions. Shows about aliens serve as unique platforms where creators and storytellers bring imaginative extraterrestrial life forms and their narratives to our screens. Such shows interweave staples of the science fiction realm with captivating mysteries of the alien sub-genre, providing a compelling blend of entertainment and intrigue. 

Probing deeper into this realm, these shows with aliens ingeniously capitalize on some of the most compelling tropes from both science fiction and alien narratives. Marrying compelling storytelling to imaginative interpretations of extraterrestrial life forms, these shows mirror the genre's vigor and versatility. Notably, these TV series about aliens shed light on profound societal issues that resonate with audiences worldwide. 

This intriguing array of best alien shows includes flagship titles that have dominated small screens worldwide. For instance, The X-Files unfolds a world of mystique and paranormal investigations that push the boundaries of viewer intrigue. Similarly, Doctor Who, with its dizzying array of interstellar escapades, has enthralled generations. Additional exceptional programs like Stargate SG-1 and Falling Skies further exemplify this genre's allure. Convenient streaming buttons for Amazon Prime, Disney+, Paramount+, Hulu, Max, and Netflix accompany each entry, offering an effortless viewing experience. 

As we conclude our intergalactic voyage, it is clear that these shows about aliens offer a riveting blend of suspense, drama, and inventiveness that continues to captivate audiences. Their timeless appeal and inventive storytelling make them deserving occupants of prime spots in the annals of television history. Unquestionably, these series not only entertain but also provoke thought, laying fertile ground for further exploration into the untapped potential of stories that lurk beyond our earthly confines. So, prepare for takeoff and lose yourself in the celestial spheres of these enthralling alien TV shows. 

What are television's best alien shows? Vote up the shows about aliens you think are the best and see where the alien TV shows you love to watch rank.

  • The X-Files
    1
    Gillian Anderson, David Duchovny, Mitch Pileggi
    486 votes

    Immersing viewers in the shadowy world of government conspiracies and supernatural encounters, The X-Files expertly weaves science fiction elements into its uniquely captivating narrative. By emphasizing the conflict between FBI agents Fox Mulder's steadfast belief in extraterrestrial life and Dana Scully's staunch skepticism, the show juxtaposes terrestrial fear with alien curiosity. Throughout its iconic run, The X-Files implements a subtle layering of aliens into its intricate plotlines, deftly oscillating between episodic “Monster of the Week” cases and overarching mythos arcs. By intertwining human intrigue with extraterrestrial phenomena, The X-Files stands as a sci-fi monument that delves deep into the complexities of the unknown.

  • Star Trek: The Next Generation
    2
    Patrick Stewart, Jonathan Frakes, LeVar Burton
    91 votes

    Continuing the legacy of its predecessor, Star Trek: The Next Generation delves deeper into the universe's intricate narrative tapestry, exploring an array of alien concepts and species. With its emphasis on diplomacy and camaraderie, the series showcases the United Federation of Planets' interactions with the Borg, Q Continuum, and Cardassian Union, among others. Captain Jean-Luc Picard leads an eclectic crew through thought-provoking story arcs that challenge the limits of human ethics and morality, showcasing the power of unity and understanding in a vast cosmic landscape. Embracing the spirit of curiosity and discovery, Star Trek: The Next Generation remains a beloved sci-fi staple known for its rich character development and innovative storytelling.

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      Megamind Rules!
      3 votes
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      3 Body Problem
      10 votes
  • The Expanse
    3
    Steven Strait, Dominique Tipper, Wes Chatham
    179 votes

    Set against the backdrop of a colonized solar system, The Expanse catapults viewers into a universe rife with political intrigue and alien mystique. The show masterfully utilizes science fiction elements to forge a truly immersive experience, emphasizing tensions between Earth, Mars, and the Belt while gradually unveiling a larger alien presence. This slow-burn approach to first contact sets the stage for unraveling the cosmic mystery of the mysterious Protomolecule, which threatens to upend the fragile balance of power between the rival factions. By blending hard sci-fi concepts with compelling characters and deep world-building, The Expanse captures the awe-inspiring potential of humanity’s encounters with the unknown.

  • Falling Skies
    4
    Noah Wyle, Moon Bloodgood, Will Patton
    396 votes

    Falling Skies combines post-apocalyptic drama with an invasion narrative, pitting a ragtag group of survivors against a technologically advanced alien race known as the Espheni. The show’s meticulous integration of alien influences on Earth, from the Espheni’s harness-based mind control on human children to the manipulation of human factions, highlights a unique blend of human desperation with extraterrestrial menace. Falling Skies also excels in its exploration of complex relationships between humans and the alien races they encounter, such as the Volm, who offer assistance against the Espheni despite their own ulterior motives. By showcasing how humanity in times of crisis ultimately rises above adversity, Falling Skies presents a gripping tale of alien interaction and survival.

  • Star Trek: The Original Series
    5
    William Shatner, Leonard Nimoy, DeForest Kelley
    78 votes

    A groundbreaking series that captivated generations of viewers, Star Trek: The Original Series trailblazed through uncharted territory with its progressive ideas and imaginative alien encounters. Set aboard the iconic USS Enterprise, the show consistently challenged traditional notions of humanity and prejudice by presenting a diverse crew exploring strange new worlds while engaging with various extraterrestrial societies. These encounters often led to thought-provoking moral dilemmas, as the crew grappled with their Prime Directive of non-interference in alien civilizations. Star Trek's seamless blending of science fiction elements and compelling character dynamics remains an enduring cornerstone of television history, forever inspiring admiration for the boundless potential of the cosmos.

  • Stargate SG-1
    6
    Amanda Tapping, Michael Shanks, Christopher Judge
    401 votes

    Expanding upon the thrilling premise of the original film, Stargate SG-1 stars an elite team of military and scientific personnel who explore distant worlds through a network of alien technology known as Stargates. The show consistently embraces extraterrestrial wonder by introducing viewers to new alien species and civilizations, such as the technologically advanced Asgard and the enigmatic Ancients. Furthermore, Stargate SG-1's portrayal of the sinister Goa'uld race, parasitic aliens who govern a vast slave empire, acts as a gripping examination of how otherworldly power can subjugate entire planets. By seamlessly incorporating alien cultures, technology, and threats into its narrative, Stargate SG-1 etches itself into the pantheon of must-watch science fiction television.

  • Lost in Space
    7
    Toby Stephens, Molly Parker, Maxwell Jenkins
    166 votes

    Rather than focusing on epic space battles or sprawling interstellar empires, Lost in Space takes a more intimate approach to science fiction storytelling by following the adventures of the Robinson family, marooned on an alien world. Tasked with surviving countless dangers and overcoming insurmountable odds, the family's encounters with alien lifeforms, both friend and foe, are woven seamlessly into the larger narrative of family unity in the face of adversity. The show’s shifting dynamics between the Robinsons and the enigmatic Dr. Smith adds another layer of complexity, highlighting humanity's darker side even when faced with alien wonders. Through its blend of heartfelt emotion, thrilling adventure, and extraterrestrial encounters, Lost in Space cements its status as a cherished gem in the sci-fi television canon.

  • V: The Final Battle
    8
    Marc Singer, Faye Grant, Jane Badler
    6 votes

    Concluding the saga begun in the original V miniseries, V: The Final Battle chronicles the climactic showdown between Earth's resistance forces and the alien Visitors intent on conquering humanity. The series expertly balances thrilling action, expertly crafted suspense, and powerful character moments to deliver an emotionally resonant and satisfying conclusion to its iconic story. Showcasing the resilience of the human spirit and the importance of unity in the face of adversity, V: The Final Battle serves as a testament to the enduring power of hope and the triumph of good over evil. As a riveting conclusion to a classic alien invasion tale, the series has cemented its place in the pantheon of science fiction television and remains a beloved favorite among fans of the genre.

  • Doctor Who
    9
    Jodie Whittaker, Mandip Gill, John Bishop
    413 votes

    A veritable institution in the science fiction world, Doctor Who chronicles the extraordinary escapades of the time-traveling Time Lord known as The Doctor, who traverses the universe in their trusty TARDIS, encountering incredible alien species along the way. With each regeneration comes a fresh take on the titular character, imbuing the series with a constantly evolving dynamic that keeps viewers enthralled. The show's rogues' gallery of alien antagonists, including the Daleks, Cybermen, and Weeping Angels, is as diverse as it is memorable, showcasing the boundless creativity and imagination Doctor Who has brought to the small screen. Engaging, educational, and utterly enthralling, Doctor Who stands as an unparalleled juggernaut in the realm of alien-focused television shows.

  • Roswell
    10
    Shiri Appleby, Jason Behr, Katherine Heigl
    252 votes

    A compelling blend of teen drama and science fiction, Roswell explores a unique coming-of-age story set against the backdrop of the eponymous New Mexico town, famous for its alleged alien crash-landing in 1947. The show's extraterrestrial focal point is manifested in the form of three teenage aliens who struggle to uncover the truth behind their origins while navigating adolescence, relationships, and the ever-looming threat of discovery. Roswell expertly weaves these supernatural elements into its emotional character arcs, using the central theme of alienation to explore universal issues of identity, acceptance, and self-discovery. With its iconic setting, engaging romance, and thrilling narrative, Roswell emerges as a captivating addition to the alien-centric television landscape.

  • Star Trek: Picard
    11
    Patrick Stewart, LeVar Burton, Michael Dorn
    30 votes

    A triumphant return for fan-favorite character Jean-Luc Picard, Star Trek: Picard finds the retired admiral compelled back into action to confront the ghosts of his past and untangle a far-reaching conspiracy. The series masterfully incorporates timeless Star Trek themes, including the exploration of artificial intelligence and the moral complexities of advanced technology, while integrating new alien species and reintroducing familiar faces from the franchise's storied history. Through Patrick Stewart's iconic portrayal of the wise and principled Captain Picard, the show examines the repercussions of past decisions and the enduring power of hope and resilience in the face of a galaxy teetering on the brink of chaos. As a captivating continuation of the character's journey, Star Trek: Picard offers a transformative and introspective experience that pays homage to the beloved franchise while carving its own unique path.

  • Colony
    12
    Josh Holloway, Sarah Wayne Callies, Peter Jacobson
    244 votes

    In a world conquered by a mysterious alien race known as the Hosts, Colony delves into the sociopolitical ramifications of extraterrestrial occupation through the eyes of the Bowman family. The series offers a nuanced examination of the human experience under alien rule, depicting not only the oppressive nature of the occupation but also the myriad ways individuals adapt to survive, ranging from collaboration to rebellion. As the show peels back the layers of its central mystery, it deftly explores themes of loyalty, betrayal, and the complex nature of resistance in a society grappling with extraterrestrial control. With its thought-provoking narrative and gripping performances, Colony presents a fresh take on familiar sci-fi tropes, resulting in a uniquely compelling viewing experience.

  • Futurama
    13
    Billy West, Katey Sagal, John DiMaggio
    300 votes

    Set in the 31st century, Futurama expertly balances irreverent humor with a plethora of inventive alien species and concepts. The show follows the misadventures of the Planet Express delivery crew, led by 20th-century cryo-frozen protagonist Philip J. Fry, as they navigate a future bursting with extraterrestrial life, advanced technology, and intergalactic intrigue. From the eccentric Dr. John Zoidberg to the egotistical Zapp Brannigan, Futurama populates its universe with a memorable cast of endearing characters whose quirks and foibles are as varied as their alien species. By marrying science fiction tropes with its trademark wit and charm, Futurama has captivated audiences as a comedic gem that showcases the boundless potential of human imagination in a galaxy filled with alien wonders.

  • Battlestar Galactica
    14
    Lorne Greene, Richard Hatch, Dirk Benedict
    141 votes

    Reimagining the 1978 classic, Battlestar Galactica modernizes the tale of humanity's struggle for survival against the relentless cybernetic Cylon race. The series elevates its premise by imbuing the conflict with philosophical and ethical nuances, as the human survivors and their Cylon adversaries grapple with questions of identity, morality, and the very nature of existence. Furthermore, Battlestar Galactica's innovative incorporation of the humanoid "skinjob" models adds a layer of complexity to the traditional alien invasion formula, blurring the lines between human and alien. Through its engaging storytelling, rich character development, and complex exploration of the human condition, Battlestar Galactica cements itself as an iconic pillar of science fiction television.

  • Babylon 5
    15
    Bruce Boxleitner, Claudia Christian, Jerry Doyle
    198 votes

    Set in a neutral space station in the mid-23rd century, Babylon 5 offers a sweeping, serialized narrative that chronicles the complex interactions between various alien species and human factions. Boasting a richly detailed universe brimming with intricate political intrigue, the show deftly explores themes of war, peace, and diplomacy through the diverse perspectives of its multi-species citizenry, permanently changing the game for televised science fiction storytelling. Babylon 5 also excels in its portrayal of dynamic characters who evolve over time, underscoring the impact of their choices – both personal and political – as they grapple with the challenges of their diverse heritage and the consequences of their actions. A trailblazer in serialized world-building and character-driven storytelling, Babylon 5 remains a legendary cornerstone in the pantheon of science fiction television.

  • Invasion
    16
    Golshifteh Farahani, Shiori Kutsuna, Shamier Anderson
    32 votes

    Invasion presents viewers with a slow-burning and atmospheric narrative centered around the mysterious appearance of various aquatic creatures in the aftermath of a hurricane. The show excels in its gradual, deliberate exploration of the ensuing tension between the human inhabitants of a small Florida town and the enigmatic aquatic beings, whose origins and intentions remain shrouded in secrecy. By focusing on character-driven storytelling and an ever-present atmosphere of unease, Invasion weaves a compelling tale of personal and interpersonal transformation intertwined with the looming threat of extraterrestrial involvement. Balancing elements of mystery, horror, and science fiction, Invasion crafts an engrossing narrative that keeps audiences enthralled until its tantalizing conclusion.

  • The Outer Limits
    17
    Kevin Conway
    87 votes

    An anthology series that showcased a variety of fantastical tales, The Outer Limits often delved into the realm of extraterrestrial encounters and otherworldly phenomena. Each episode tantalized viewers with fresh, imaginative stories exploring humanity's place in the cosmos and our complex interactions with alien entities. From chilling, mind-bending narratives to poignant allegories steeped in mystery and intrigue, The Outer Limits consistently challenged preconceptions and provoked thought about the limits of human understanding in relation to the unknown. As an influential precursor to modern sci-fi television, The Outer Limits remains a testament to the limitless possibilities of speculative fiction.

  • Stargate Atlantis
    18
    Joe Flanigan, Robert Picardo, David Hewlett
    56 votes

    Expanding upon the rich mythology established by Stargate SG-1, Stargate Atlantis explores the lost city of Atlantis and its treasure trove of ancient secrets situated within the Pegasus galaxy. The series introduces viewers to a plethora of new alien species, most notably the cunning Wraith—who pose a significant threat to both the human inhabitants of Atlantis and the native Pegasus galaxy populations. Additionally, Stargate Atlantis delves into the legacy of the enigmatic Ancients, whose influence reverberates throughout the cosmos thanks to their unparalleled technological prowess and connection to the show's titular Stargate network. With its engaging storylines, memorable characters, and expansive world-building, Stargate Atlantis remains a beloved spinoff that further cements the franchise's place in science fiction television history.

  • The Orville
    19
    Seth MacFarlane, Adrianne Palicki, Penny Johnson
    29 votes

    Set in the humorous and intriguing universe of the 25th-century Planetary Union, The Orville combines elements of comedy and drama in its exploration of the diverse characters on board the titular starship. The series showcases a myriad of alien species, from the stoic Moclans to the gelatinous Yaphits, unveiling distinctive cultures, histories, and challenges that provide thoughtful insight into the human condition. Created by and starring Seth MacFarlane, The Orville pays homage to the classic Star Trek formula while injecting its narrative with humor and wit, resulting in a fresh take on the space adventure genre. With engaging storytelling and a memorable ensemble cast of both human and extraterrestrial characters, the show has carved out its own niche in the realm of science fiction television.

  • Star Trek: Voyager
    20
    Kate Mulgrew, Robert Beltran, Roxann Dawson
    260 votes

    As the first series in the franchise led by a female captain, Star Trek: Voyager delves into uncharted territory with its harrowing tale of a starship stranded in the remote Delta Quadrant, 75,000 light-years from Earth. The show's unique premise allows for an expansive exploration of new alien species, such as the malevolent Borg and the duplicitous Talaxians, as well as a fascinating deep-dive into the complex dynamics between the multicultural crew members. Known for its strong character development and innovative storytelling, Star Trek: Voyager confronts the challenges and triumphs of survival, diplomacy, and alliances in a distant and unfamiliar alien landscape. A groundbreaking entry in the Star Trek universe, Voyager endures as an inspiring testament to the resilience of humanity and the power of collaboration in the face of adversity.

  • 3 Body Problem
    21
    Jess Hong, Liam Cunningham, Eiza González
    10 votes

    Netflix's 3 Body Problem series adapts a highly acclaimed Chinese novel trilogy by Cixin Liu into a science fiction saga revolving around a mysterious and cerebral alien invasion. The story centers on complex characters including astrophysicist Ye Wenjie, who encounters these aliens first, and Wang Miao, a scientist investigating strange occurrences linked to the invasion. The series stands out in the genre with its grounding in actual scientific theory and its distinctive portrayal of extraterrestrial contact not as a brute force conquest but rather as a subtle, intellectual incursion that challenges human understanding. By blending hard science with intricate storytelling, 3 Body Problem offers viewers a thought-provoking exploration of humanity's place in the cosmos and the potentially destabilizing effects of encounters with other civilizations.

    A fateful decision echoes across space and time, forcing scientists to face an enormous threat.
  • Rick and Morty
    22
    Ian Cardoni, Harry Belden, Sarah Chalke
    158 votes

    A pop culture phenomenon rooted in its irreverent humor and mind-bending science fiction concepts, Rick and Morty chronicles the bizarre adventures of an eccentric, alcoholic mad scientist and his easily influenced grandson. The show frequently catapults its protagonists into a myriad of cosmic settings teeming with otherworldly creatures and alien species, showcasing a seemingly limitless imagination that merges the grotesque with the hilarious. By melding absurdist comedy with thought-provoking themes like existence, morality, and the nature of reality itself, Rick and Morty crafts an experience that remains wholly unique within the realm of television. As a modern-day staple of adult animation, the series has captivated viewers with its blend of dark humor, incisive social commentary, and fantastical extraterrestrial exploits.

  • V
    23
    Elizabeth Mitchell, Morris Chestnut, Joel Gretsch
    241 votes

    Rooted in its 1980s miniseries origins, this modern reimagining of V explores humanity's vulnerability when faced with the seemingly benevolent race of humanoid aliens known as the Visitors. As the Visitors' true intentions become increasingly insidious, the show dives into themes of trust and betrayal, manipulation and propaganda, and the psychological toll of living under extraterrestrial rule. V expertly showcases the complexity of human resistance, from fierce underground rebellion to uneasy alliances and shadowy espionage. By presenting viewers with a chilling vision of a world captivated by alien charisma and cunning, V crafts a gripping and cautionary tale of humanity's susceptibility to extraterrestrial deception.

  • Star Trek: Enterprise
    24
    Scott Bakula, Connor Trinneer, Jolene Blalock
    60 votes

    A prequel to the original series, Star Trek: Enterprise chronicles the early days of human exploration in the 22nd century, bridging the gap between our present day and the familiar world of the United Federation of Planets. The show offers a unique perspective on the formative era of space travel, delving into the origins of various alien species and their relationship with humanity as they encounter one another for the first time. As Captain Jonathan Archer navigates the uncharted universe and confronts the myriad challenges it presents, Star Trek: Enterprise serves as both a love letter to the franchise's rich history and an exploration of humanity's innate curiosity and ambition. By marrying the optimism of Star Trek's storied past with thought-provoking prequel storytelling, the series remains a captivating entry in the beloved canon.

  • Taken
    25
    Dakota Fanning, Julie Benz, John Hawkes
    77 votes

    Spanning nearly 60 years, Taken is an ambitious miniseries that unites three families through their extraordinary encounters with extraterrestrial forces. The series delves into the implications of alien abduction on both a personal and a generational level, following the intertwining lives of its characters as they confront a hidden world of mysterious phenomena and secret government involvement. Through its exploration of the shadowy history of UFO sightings and the emotional impact of such encounters, Taken weaves a compelling narrative that combines elements of suspense, intrigue, and drama. This riveting miniseries resonates with viewers as it demonstrates the enduring allure of the unknown and the persistence of humanity's fascination with extraterrestrial life.

  • Defiance
    26
    Grant Bowler, Julie Benz, Stephanie Leonidas
    99 votes

    Set in a post-apocalyptic world where Earth has become a refuge for a diverse array of alien species fleeing a devastating interstellar war, Defiance explores the complexities of coexistence between humans and extraterrestrial inhabitants. The show expertly weaves intricate storylines that encompass multiple alien cultures, revealing their distinct histories, languages, and physiologies while highlighting the commonalities that bind them together in a shared struggle for survival. Amidst this rich tapestry of characters and conflicts, Defiance also delves into themes of prejudice, diplomacy, and the inexorable push for progress. A unique blend of science fiction, western, and post-apocalyptic genres, Defiance stands as a testament to the challenges and rewards of forging unity and understanding in a diverse world.

  • Star Wars: The Bad Batch
    27
    Dee Bradley Baker, Ming-Na Wen, Stephen Stanton
    17 votes

    Expanding upon the epic saga of the Star Wars universe, The Bad Batch follows a group of experimental clones as they navigate the chaotic aftermath of the Clone Wars. The show's expert blend of action, adventure, and heart is complemented by its vast array of alien species and worlds, showcasing both the interconnectedness and diversity of the galaxy far, far away. With a narrative that explores themes of loyalty, identity, and the struggle against oppression, The Bad Batch offers a unique perspective on the Star Wars mythos through the eyes of its titular clone squadron. As another thrilling entry into the ever-expanding canon, the show captivates viewers with its engaging storytelling and deep-rooted connection to the iconic franchise.

  • Another Life
    28
    Katee Sackhoff, Justin Chatwin, Samuel Anderson
    66 votes

    Another Life follows astronaut Niko Breckenridge as she leads a mission to the far reaches of space in search of alien life, spurred on by the discovery of an enigmatic artifact on Earth. The show's science fiction elements tie into both the external and internal conflicts faced by its characters, grappling with themes of trust, loyalty, and the weight of the decisions they must make to uncover the truth behind the mysterious alien presence. Packed with intriguing extraterrestrial encounters and intense interpersonal drama, Another Life explores the vast unknowns of the cosmos and the inherent challenges of human interaction in the face of adversity. As a thrilling addition to the genre, the series captivates audiences with its gripping storytelling and high-stakes narrative.

  • Steven Universe Future
    29
    Zach Callison, Estelle, Michaela Dietz
    20 votes

    A continuation of the beloved animated series, Steven Universe Future dives into a new chapter for its titular character and his friends as they navigate the emotional aftermath of their previous adventures. The show seamlessly integrates the presence of alien beings known as Gems into its narrative, exploring themes of identity, family, and healing through the experiences of its diverse cast. Among its colorful animation and distinctive world-building, Steven Universe Future imparts valuable lessons about empathy, communication, and the importance of acceptance in the face of both human and extraterrestrial challenges. As both a coming-of-age story and a celebration of love in all its forms, the series has captured the hearts of viewers with its poignant storytelling and endearing characters.

  • Star Trek: Discovery
    30
    Sonequa Martin-Green, Doug Jones, Anthony Rapp
    23 votes

    The latest installment in the iconic franchise, Star Trek: Discovery boldly ventures into unexplored territory with a fresh and diverse ensemble cast that breathes new life into the storied universe. Set a decade before the events of the original series, the show delves into previously untold stories and introduces a plethora of intriguing alien species, both familiar and new, while maintaining the spirit of exploration and unity that has defined the franchise from its inception. Through its innovative narrative, complex character development, and a renewed commitment to the exploration of strange new worlds, Star Trek: Discovery continues the venerable tradition of using science fiction to examine the complexities of the human experience. As a groundbreaking addition to the beloved pantheon, the show proves that the final frontier still holds untold wonders for audiences to discover.