The 35+ Best UFO & Alien Encounter Documentary Shows, Ranked

Ranker TV
Updated June 1, 2024 24.8K views 38 items
Ranked By
757 votes
392 voters
Voting Rules
Vote up the best television documentaries and documentary-reality shows about aliens and UFOs.
Latest additions: TMZ Presents: UFO Revolution, Encounters, UFO Cowboys
Most divisive: Alien Worlds
Over 300 Ranker voters have come together to rank this list of The 35+ Best UFO & Alien Encounter Documentary Shows, Ranked

The best documentaries about aliens are here to remind you that the truth is out there. The best alien and UFO documentary series ever shown on television offers enough evidence to suspend the disbelief of even the most skeptical audience. If you’ve been looking for the best alien documentaries to add some excitement to your TV nights, this list of the best alien and UFO documentary series of all time will help you figure out what needs to go into your queue.

Whether you’re a believer or not, alien documentary series are a great source of out-of-this-world stories. From the mysteries of history in Ancient Aliens to recent government secrets in UFOs Declassified, UFO and alien documentary shows examine the possibilities of life beyond Earth, mixing reenactment, file footage, and information from experts in the field.

Which shows do the best job sharing information about the possibility of extraterrestrial life? Vote up the best alien documentary shows and add any documentary series about aliens and UFOs that are missing. And if you love the extraterrestrial, be sure to check out these great alien tv shows.

  • Unidentified: Inside America's UFO Investigation
    1

    Unidentified: Inside America's UFO Investigation

    Chris Mellon, Luis Elizondo, Tom DeLonge
    39 votes

    Unidentified: Inside America's UFO Investigation delves deep into the highly classified military and government UFO encounters, making it one of the best alien documentaries of all time. This groundbreaking series features interviews with credible whistleblowers and witnesses, providing an authentic portrayal of the complex reality behind the UFO phenomenon. Unidentified's captivating narrative combines the intrigue of documentary storytelling with mind-bending alien ideology, ultimately challenging viewers to question the very nature of our world and our place in the universe.

  • The Secret of Skinwalker Ranch
    2
    Brandon Fugal, Travis Taylor, Jim Segala
    54 votes

    The Secret of Skinwalker Ranch is an enthralling exploration of the enigmatic Skinwalker Ranch in Utah, a notorious hotspot for paranormal and UFO activity. The series masterfully interweaves scientific investigation, personal testimonies, and chilling anecdotes that explore the dark side of the alien phenomenon. As the team delves deeper into the ranch's secrets, the show unravels a web of otherworldly mysteries that sends shivers down the viewer's spine. The Secret of Skinwalker Ranch expertly balances documentary filmmaking with alien conspiracy theories, creating a thought-provoking and hair-raising viewing experience.

  • Hangar 1: The UFO Files
    3

    Hangar 1: The UFO Files

    Yana Trofimova, Johnson Cooley
    41 votes

    Hangar 1: The UFO Files transports viewers to a top-secret location where the Mutual UFO Network (MUFON) stores its extensive archive of UFO reports and evidence. The series pieces together fragments of information from declassified government documents, eyewitness accounts, and expert analysis, revealing a bigger, more intricate picture of UFO encounters throughout history. Hangar 1's skilled use of documentary storytelling and alien ideology creates a world that is both thrilling and disconcerting, generating a riveting narrative that is easy to get lost in. This show's unique perspective and commitment to unearthing hidden truths make it an essential addition to the canon of great alien documentaries.

  • UFOs: The Lost Evidence
    4
    Richard M. Dolan, Dave Rosenfeld, Mike Bara
    83 votes

    UFOs: The Lost Evidence offers a fascinating insight into the most compelling UFO sightings and encounters throughout history, many of which have been overshadowed by more famous cases. Combining archival footage, expert analysis, and dramatic reenactments, this series shines fresh light on lesser-known but equally gripping examples of UFO phenomena. The vivid storytelling techniques and expert fact-checking establish UFOs: The Lost Evidence as a meticulously researched and authoritative documentary that astounds and educates in equal measure. The series strikes a perfect balance between credibility and intrigue, merging documentary tropes with alien ideology to compelling effect.

  • UFOs Declassified
    5
    Brad Cartner, Leslie Kean, Nick Pope
    52 votes

    UFOs Declassified is a captivating series that takes a fresh, analytical look at some of the most iconic UFO incidents in history, combining expert research with newly declassified information. By scrutinizing previously secret data and utilizing cutting-edge scientific methods, the series sheds new light on long-standing mysteries while maintaining a skeptical and balanced approach. The seamless blending of documentary tropes and alien ideology results in a spellbinding narrative that exposes the true extent of government knowledge and involvement in UFO phenomena. UFOs Declassified stands out as a compelling, thought-provoking, and responsible addition to the world of alien documentaries.

  • The World's Strangest UFO Stories
    6

    The World's Strangest UFO Stories

    33 votes

    The World's Strangest UFO Stories delves into the bizarre and unexplained, highlighting some of the most mind-boggling UFO incidents ever reported. The series skillfully blends historical context, expert analysis, and firsthand accounts to weave a narrative that is both perplexing and compelling. The merging of documentary tropes with alien ideology creates a vivid tapestry of otherworldly intrigue, leaving viewers eager to unlock the hidden secrets of the cosmos. The World's Strangest UFO Stories sets itself apart by embracing the enigmatic nature of the UFO phenomenon, resulting in an unforgettable exploration of the unknown.

  • Unsealed: Alien Files
    7

    Unsealed: Alien Files

    46 votes

    Unsealed: Alien Files tackles the most controversial and bewildering aspects of the alien phenomenon, using an array of previously classified documents, interviews, and footage to pierce the veil of secrecy surrounding extraterrestrial encounters. The series takes viewers on a mind-bending journey, exploring everything from alleged alien abductions to the potential existence of top-secret government projects. By combining the drama of traditional documentaries with outlandish alien ideology, Unsealed: Alien Files crafts an engrossing narrative that keeps viewers hooked from start to finish. The show's wealth of evidence and commitment to objectivity make it an essential watch for fans of all things extraterrestrial.

  • UFO Witness
    8
    Ben Hansen
    24 votes

    UFO Witness is an intriguing series that dives deep into the personal accounts of individuals who have had genuine, life-changing encounters with UFOs. By focusing on the details of each story, the show offers an intimate look at the challenges many witnesses face in coming forward about their experiences. The blending of documentary tropes with alien ideology results in a captivating narrative that underscores the emotional impact these events can have on individuals and communities alike. UFO Witness stands as a powerful testament to the potential reality of extraterrestrial encounters and the courage of those who dare to speak out.

  • Alien Mysteries
    9

    Alien Mysteries

    14 votes

    Alien Mysteries delves into the human side of the UFO phenomenon, focusing on the emotional and psychological impact of close encounters with the unknown. Through interviews with eyewitnesses and experts, the series captures the raw emotion and personal stakes involved in these otherworldly experiences. The combination of documentary storytelling and alien ideology creates a powerful narrative that highlights the human connection to these elusive beings. Alien Mysteries is a poignant reminder of the shared curiosity and vulnerability that binds us all together in our quest to understand the universe and its potential inhabitants.

  • In Search of Aliens
    10

    In Search of Aliens

    Giorgio Tsoukalos
    19 votes

    In Search of Aliens ventures into the furthest reaches of human knowledge, examining ancient myths, archaeological discoveries, and modern-day UFO encounters for signs of extraterrestrial life. Host Giorgio A. Tsoukalos approaches each topic with infectious enthusiasm and rigorous research, making the series both educational and entertaining. The dynamic fusion of documentary storytelling and alien ideology result in a highly engaging narrative that leaves viewers questioning the very foundation of human history. In Search of Aliens boldly challenges conventional wisdom, providing a fascinating glimpse into a world where the extraordinary becomes possible.

  • Whistleblowers spark a UFO revolution, sourcing and releasing evidence.
  • Ancient Aliens
    12

    Ancient Aliens

    Giorgio Tsoukalos, Erich von Däniken, David Childress
    72 votes

    Ancient Aliens has earned a loyal following through its provocative exploration of extraterrestrial involvement in human history and its impact on ancient civilizations. The series boldly challenges traditional historical narratives with its innovative use of scientific analysis, archaeological evidence, and expert commentary, arguing that advanced alien beings may have played a significant role in shaping our past. The fusion of documentary storytelling techniques with otherworldly hypothesis creates a fascinating narrative that continually pushes the boundaries of conventional wisdom. Ancient Aliens is a groundbreaking series that invites viewers to question everything they think they know about our ancestors and their potential connections to otherworldly beings.

  • Sightings
    13
    Christopher Chacon, Dale Timothy White, James A. Swan
    9 votes

    Sightings takes a deep dive into the world of paranormal and extraterrestrial encounters, examining a wide array of chilling and intriguing phenomena with a critical eye. Combining expert testimony, eyewitness accounts, and painstaking investigative journalism, the series crafts a riveting narrative that keeps viewers on the edge of their seats. The melding of documentary tropes with alien ideology results in a thought-provoking exploration of the unknown that challenges both skeptics and believers alike. Brutally honest and unafraid to tackle controversial subjects, Sightings stands out as a trailblazer in the world of alien and paranormal documentaries.

  • UFO Files
    14
    Burton Richardson, Stanton Friedman, William J. Birnes
    17 votes

    UFO Files is a comprehensive series that investigates the longstanding history of UFO sightings and encounters from around the globe. Featuring interviews with experts, eyewitnesses, and government officials, the show delves into the intricate web of secrecy, speculation, and fact that surrounds the UFO phenomenon. By combining documentary storytelling with thought-provoking alien ideology, UFO Files crafts a captivating narrative that probes the farthest limits of human knowledge. The series' commitment to objectivity and thorough research make it an essential watch for anyone seeking to understand the mysterious world of UFOs.

  • UFO
    15
    6 votes

    UFO  is a riveting and comprehensive alien-themed series that stands out as one of the best documentaries on this subject matter. The show embarks on an enlightening journey, exploring the compelling evidence and eyewitness accounts about the existence of extraterrestrial phenomena, providing viewers with an immersive experience into the unknown. Produced by J.J. Abrams, UFO showcases a captivating blend of scientific investigation and personal stories, presenting balanced arguments while retaining its intrigue and offering deeper insight into one of the world's biggest unsolved mysteries. Its ability to weave together history, credible testimonies, and thought-provoking questions commands its place in the canon of all-time great alien documentaries.

     

  • The Proof Is Out There
    16
    6 votes

    The Proof Is Out There utilizes a critical and analytical approach to evaluating various pieces of evidence related to UFO sightings, alien encounters, and government cover-ups. The show employs a panel of experts with various backgrounds to dissect and analyze each piece of potentially extraterrestrial evidence, ensuring an unbiased and well-rounded perspective. By blending documentary storytelling with a healthy dose of skepticism, The Proof Is Out There provides a thought-provoking exploration of the mysterious world of UFOs and alien phenomena. The series serves as a sobering reminder of the importance of thorough investigation and rigorous fact-checking in the pursuit of the truth.

  • Encounters
    17

    Encounters

    13 votes

    UFO: Encounters (1994) showcases some of the most shocking and mystifying UFO encounters ever documented, using archival footage, expert analysis, and eyewitness accounts to paint a vivid picture of our planet's elusive visitors. The series blends the drama and suspense of traditional documentaries with the intrigue of alien ideology to create an engrossing narrative that captivates audiences from start to finish. UFO: Encounters (1994) is a classic example of the power of combining compelling storytelling with cutting-edge research, making it an essential entry in the pantheon of great alien documentaries.

  • Shaun Ryder On UFOs
    18

    Shaun Ryder On UFOs

    Shaun Ryder
    12 votes

    Shaun Ryder On UFOs follows musician and UFO enthusiast Shaun Ryder as he travels across the globe, seeking out the truth behind some of the most baffling extraterrestrial encounters. By adopting an on-the-ground investigative approach, the series offers a unique and immersive viewing experience that captures the excitement and mystique of UFO research. The blending of documentary storytelling with Shaun's personal passion for alien ideology makes for a lively and engaging narrative that resonates with both die-hard UFO fans and casual viewers alike. Shaun Ryder On UFOs is an excellent showcase of the power of personal passion and dedication in the quest for the truth.

  • UFO Hunters
    19
    William J. Birnes, Patrick Uskert, Ted Acworth
    13 votes

    UFO Hunters takes viewers on a high-stakes journey to investigate the most compelling UFO incidents in history, using cutting-edge technology and expert analysis to uncover hidden truths. By following a dedicated team of researchers as they explore various sighting locations, the show offers a rare glimpse into the world of professional UFO investigators and their relentless pursuit of the truth. The series' unique blend of documentary storytelling and alien ideology creates a captivating narrative that keeps viewers on the edge of their seats, eagerly awaiting each new discovery. UFO Hunters exemplify the power of teamwork and tenacity in the face of overwhelming skepticism and secrecy.

  • Beyond Skinwalker Ranch is an exciting spin-off of the hit series, The Secret of Skinwalker Ranch, delving even deeper into the enigmatic ranch and its otherworldly secrets. As the investigation team encounters new, even more bizarre phenomena, the show masterfully combines documentary storytelling techniques with spine-chilling alien ideology to create a truly immersive experience. By exploring the untold stories and hidden corners of Skinwalker Ranch, the series offers viewers an even more fascinating and terrifying glimpse into the world of paranormal and extraterrestrial encounters. Beyond Skinwalker Ranch stands out as an enthralling expansion of the original series, pushing the boundaries of our understanding of the unexplained.

  • Top Secret UFO Projects: Declassified pulls back the curtain on some of the most clandestine and controversial government projects related to UFO research. Employing newly released classified information from various countries, the series sheds light on the extent of government involvement and knowledge about extraterrestrial encounters. By balancing documentary storytelling with inquisitive alien ideology, Top Secret UFO Projects: Declassified crafts a gripping narrative that leaves viewers questioning the true nature of official secrecy and hidden agendas. The series stands out as a chilling reminder of the lengths to which governments will go to maintain control over our understanding of the unknown.

  • Indians + Aliens II
    22

    Indians + Aliens II

    13 votes

    Indians + Aliens II explores the intriguing connection between Indigenous cultures and extraterrestrial encounters, delving into Indigenous oral histories, myths, and ancient artifacts that suggest possible interactions with otherworldly beings. The series expertly weaves together documentary storytelling and fascinating alien ideology, providing a unique perspective on the UFO phenomenon that has been largely overlooked by mainstream research. Indians + Aliens II shines a much-needed light on the rich tapestry of Indigenous knowledge and its potential contribution to our understanding of extraterrestrial encounters, making it a truly groundbreaking addition to the world of alien documentaries.

  • Mysteries Decoded
    23
    Jennifer Marshall
    5 votes

    Mysteries Decoded is a compelling series that takes a fresh look at some of history's greatest unsolved mysteries, including UFO sightings, ancient alien involvement, and paranormal phenomena. Using modern investigative techniques and scientific analysis, the show attempts to separate fact from fiction, resulting in a captivating narrative that challenges preconceived notions. The blending of documentary storytelling with tantalizing alien ideology creates an engrossing journey through the unknown, leaving viewers eager to unravel the secrets hidden in the shadows of history. Mysteries Decoded stands as a thought-provoking and intellectually satisfying addition to the world of alien and supernatural documentaries.

  • Indians + Aliens I
    24

    Indians + Aliens I

    10 votes

    Indians + Aliens I is a groundbreaking exploration of Indigenous perspectives on the UFO phenomenon, from ancient myths and oral histories to modern-day encounters with otherworldly forces. The series thoughtfully combines the conventions of documentary storytelling with the rich cultural context of Indigenous knowledge, offering a fresh and insightful approach to the study of extraterrestrial occurrences. By embracing the unique viewpoints and experiences of Indigenous communities, Indians + Aliens I invites viewers to consider new and diverse interpretations of humanity's encounters with the unknown. The series is an indispensable addition to the world of alien documentaries, broadening the scope of the conversation and enriching our collective understanding.

  • Space Odyssey
    25
    David Suchet, Michelle Joseph, Mark Tandy
    8 votes

    Space Odyssey is a captivating documentary series that takes viewers on an awe-inspiring journey through outer space, exploring the mysteries and phenomena of our vast universe. With breathtaking visuals and expert commentary, the show transports viewers to distant galaxies and alien landscapes, all while invoking a sense of wonder and curiosity about the cosmos. Space Odyssey achieves an impressive balance between documentary storytelling and engaging alien ideology, resulting in a truly mesmerizing viewing experience that captures the awe-inspiring vastness of the universe. The series is a triumphant celebration of human imagination and perseverance in our eternal quest for understanding the final frontier.

  • UFO Cowboys
    26
    Ora Brown, Parker Howell, Jeff Sailors
    4 votes

    UFO Cowboys follows a team of intrepid UFO investigators as they travel across the American Southwest, exploring some of the most intriguing hotspots for extraterrestrial activity. The series combines documentary storytelling with a sense of adventure and camaraderie, creating a compelling narrative that showcases the thrill of the hunt and the passion of the investigators. By blending fast-paced action with out-of-this-world alien ideology, UFO Cowboys provides an entertaining and exciting exploration of the enigmatic world of UFOs. The show's gritty, down-to-earth approach and engaging personalities make it a standout among alien documentaries.

  • Roswell: The Final Verdict provides an in-depth examination of the infamous 1947 Roswell incident, using cutting-edge technology and expert analysis to reevaluate the validity of the historical evidence. The series dives deep into the layers of secrecy and controversy surrounding the event, shedding new light on one of the biggest mysteries in UFO history. The seamless integration of documentary storytelling and enigmatic alien ideology results in a mesmerizing narrative that keeps audiences hooked from beginning to end. Roswell: The Final Verdict is a must-watch for anyone interested in the truth behind the legendary incident.

  • Alien Worlds
    28
    Sophie Okonedo
    9 votes

    Alien Worlds takes viewers on a scientifically-grounded journey to envision what life might be like on distant, exoplanetary landscapes. Utilizing cutting-edge CGI and expert input from leading scientists, the show deftly combines documentary storytelling techniques with speculative alien ideology to create an immersive, visually stunning experience. By exploring the possibilities of extraterrestrial life based on our current understanding of biology and physics, Alien Worlds challenges viewers to expand their imaginations and consider the vast potential for life beyond Earth. The series stands out as a breathtaking and thought-provoking exploration of the cosmos and the search for life among the stars.

  • Chasing UFOs
    29
    Ben McGee, Erin Ryder, James Fox
    12 votes

    Chasing UFOs follows a team of experts as they investigate some of the most confounding UFO sightings and encounters in history, utilizing cutting-edge technology and keen intuition to uncover hidden truths. The series masterfully blends documentary storytelling with a sense of adventure and curiosity, resulting in an engaging and suspenseful narrative that keeps viewers on the edge of their seats. Chasing UFOs highlights the thrill of the chase and the search for answers, showcasing the dedication and passion of those driven to solve the enduring mysteries of the cosmos. The show's adventurous spirit and relentless pursuit of the truth make it a standout among alien documentaries.

  • UFO Diaries
    30

    UFO Diaries

    Charles E. Sellier Jr., Vicki Cooper-Ecker, Kevin D. Randle
    7 votes

    UFO Diaries is a classic examination of the UFO phenomenon, featuring interviews with experts, historians, and eyewitnesses to create a comprehensive portrait of humanity's interactions with the unknown. The series skillfully employs documentary storytelling techniques to present a wealth of information and evidence, weaving together a captivating narrative that invites viewers to examine the mysteries that have long eluded explanation. UFO Diaries succeeds in blending traditional documentary conventions with intriguing alien ideology, resulting in an entertaining and engaging exploration of the enigmatic world of UFOs. The series stands as a timeless entry in the pantheon of great alien documentaries.

  • Secrets & Mysteries
    31
    Edward Mulhare
    5 votes

    Secrets & Mysteries delves into some of the most perplexing and unexplained phenomena surrounding UFOs and extraterrestrial encounters, challenging conventional wisdom and inviting viewers to reconsider what they think they know about the cosmos. By skillfully blending documentary storytelling with thought-provoking alien ideology, the series crafts an engrossing narrative that keeps viewers glued to their screens. Secrets & Mysteries takes audiences on a rollercoaster ride through the uncharted realms of the unknown, revealing tantalizing clues and mind-bending theories along the way. The show's unwavering commitment to uncovering the truth makes it an essential watch for fans of all things otherworldly.

  • Alien Endgame
    32

    Alien Endgame explores the farthest reaches of human knowledge and imagination, examining theories about the ultimate goals and motives behind extraterrestrial encounters and activity on Earth. By delving into the minds of some of the greatest thinkers and researchers in the field, the show presents a thought-provoking investigation into the potential impacts and implications of our interactions with otherworldly beings. Alien Endgame masterfully combines documentary storytelling with mind-bending alien ideology, resulting in a compelling narrative that challenges viewers to question our place in the universe. The series is a fascinating and daring exploration of the possible endgame for humankind and our cosmic neighbors.

  • Aliens in Alaska explores the chilling and mysterious reports of extraterrestrial encounters in the remote wilderness of America's last frontier. The series masterfully weaves together eyewitness accounts, expert analysis, and dramatic reenactments to create a captivating and thrilling narrative that delves into the deepest, darkest corners of the unknown. Combining documentary storytelling with eerie alien ideology, Aliens in Alaska offers an unforgettable journey into the heart of enigma and suspense. The series stands out as a bone-chilling addition to the world of alien documentaries, perfectly capturing the isolation and terror of encounters with the unexplained in a harsh and unforgiving environment.

  • Unidentified with Demi Lovato
    34

    Unidentified with Demi Lovato showcases singer and actress Demi Lovato's personal journey as they explore the mysteries of the UFO phenomenon, seeking answers and grappling with the implications of these otherworldly encounters. By merging documentary storytelling with Demi's charismatic personality and genuine curiosity, the show presents a captivating narrative that blends personal experience, emotion, and alien ideology. Unidentified with Demi Lovato brings a fresh perspective to the world of UFOs and extraterrestrial phenomena, demonstrating the far-reaching impact these encounters can have on people from all walks of life.

  • Encounters
    35
    0 votes

    Encounters (2023) is an upcoming series that promises a fresh and innovative approach to exploring the mysteries and complexities of the UFO phenomenon. The show will combine expert analysis, eye-witness testimonies, and cutting-edge technology to delve deep into the enigmatic world of extraterrestrial encounters. By fusing the best elements of documentary storytelling with an evocative alien ideology, Encounters (2023) aims to create a thrilling and thought-provoking narrative that will captivate viewers. Audiences eagerly anticipate the new perspectives and insights this series will bring to the ever-growing collection of alien documentaries.

  • Mission Unexplained takes viewers on a pulse-pounding journey through the world of UFO research and investigation, providing an inside look at the tireless efforts of those who dedicate their lives to uncovering the truth about extraterrestrial encounters. The show skillfully blends documentary storytelling with riveting action sequences and captivating alien ideology, resulting in a gripping and highly entertaining series. Mission Unexplained is a testament to the passion, determination, and daring of those who confront the unknown in pursuit of answers and understanding, making it a must-watch for fans of the extraterrestrial genre.

  • Heaven's Gate: The Cult of Cults dives deep into the tragic story of the UFO cult that shocked the world with its mass suicide in 1997. By blending documentary storytelling with chilling insights into the alien ideology that drove the cult, the series provides a captivating and disturbing portrayal of the power of belief and manipulation. Heaven's Gate: The Cult of Cults serves as a cautionary tale of the dangers of blind faith and the terrifying consequences of embracing even the most far-fetched extraterrestrial theories. The series is a powerful and haunting addition to the world of alien documentaries, leaving a lasting impact on viewers.

  • Steps to the Future
    38

    Steps to the Future

    2 votes

    Steps to the Future is a visionary series that explores the potential future of human interaction with alien life forms, examining advances in science, technology, and diplomacy that could reshape our understanding of the cosmos. Through expert interviews and thought-provoking speculation, the show presents a fascinating glimpse into the possibilities that lie ahead in our continuing quest to solve the mysteries of the universe. By skillfully blending documentary storytelling with forward-thinking alien ideology, Steps to the Future captures the essence of human curiosity and our relentless drive to uncover the truth. The series is an inspiring and thought-provoking addition to the genre, inviting viewers to imagine a future where we stand side-by-side with beings from other worlds.