Series to Watch
  • Home
  • TV Series
    Episodes Airing Today New TV Series Popular TV Series Top Rated TV Series

Popular Documentary TV Series on Plex - Page 15

New Popular Top Rated
All Services Free Services
Netflix Netflix Amazon Prime Video Amazon Prime Video Apple iTunes Apple iTunes Apple TV Plus Apple TV Plus Disney Plus Disney Plus Google Play Movies Google Play Movies Paramount Plus Paramount Plus Hulu Hulu HBO Max HBO Max YouTube YouTube fuboTV fuboTV Peacock Peacock Peacock Premium Peacock Premium Amazon Video Amazon Video The Roku Channel The Roku Channel AMC+ AMC+ AMC on Demand AMC on Demand Kocowa Kocowa Hoopla Hoopla The CW The CW Vudu Vudu Starz Starz Showtime Showtime PBS PBS Pantaflix Pantaflix FXNow FXNow Tubi TV Tubi TV Kanopy Kanopy Comedy Central Comedy Central Crunchyroll Crunchyroll Microsoft Store Microsoft Store Redbox Redbox Sun Nxt Sun Nxt ABC ABC DIRECTV DIRECTV Crackle Crackle Fandor Fandor Plex Plex
All Genres
Action Adventure Animation Comedy Crime Documentary Drama Family Kids Mystery News Reality Sci-Fi Fantasy Soap Talkshow War Politics Western
apps menu
  • Dark Passages

    2021

    Dark Passages

    2021

    star 8.7
    Delve deep with this series that explores everything from supernatural creatures and unsolved crimes to horrific conspiracies that both baffle and fascinate. This investigative series explores the lesser-known, often terrifying stories you've never heard.
  • The Secret Life of...

    2012

    The Secret Life of...

    2012

    This brand new and exclusive 14-part series lifts the lid on established and renowned superstars from history to reveal their secret lives. But Secret Life Of… is a biography with a difference – with its tongue firmly in its cheek, it deliciously dishes the dirt on icons of the past, including Henry VIII, Marie Antoinette and Napoleon.
  • Gator Boys

    2012

    Gator Boys

    2012

    star 8
  • United States of Scandal

    2024

    United States of Scandal

    2024

    star 1
    CNN's Jake Tapper dissects six of America's iconic political scandals, sitting down with some of the most famous and infamous figures in US politics.
  • Earth Cycle

    2019

    Earth Cycle

    2019

    Filmed in Sweden and Norway, this documentary series follows adventure-traveler and BBC journalist, Simon Parker, as he embarks upon a 2,000 mile / 3,500 KM cycling adventure from the North Cape to Smygehuk – the full length of the Scandinavian Peninsula. On his journey, Simon charts the seasonal cycles of the natural world, as summer is transitioning into autumn.
  • Coast Guard Alaska

    2011

    Coast Guard Alaska

    2011

    star 10
    Coast Guard Alaska is an American reality documentary television series on The Weather Channel that premiered on November 9, 2011.The series follows members of the United States Coast Guard stationed in Kodiak, Alaska on the job.
  • Killer Women with Piers Morgan

    2016

    Killer Women with Piers Morgan

    2016

    star 7.5
    Piers Morgan travels through the southern states of Texas and Florida to meet some of America's most notorious female murderers. Piers' journey of discovery is aimed at gaining a full understanding of three complex cases. He ventures behind bars to come face to face with women who have carried out the most unspeakable crimes in a quest to discover what drove these women to kill and investigate the truth behind each case.
  • Jodi Arias: An American Murder Mystery

    2018

    Jodi Arias: An American Murder Mystery

    2018

    star 7.9
    Sex, lies and murder – what happened to Travis Alexander? This three-part special examines the most salacious murder case in American history. We explore the investigation and trial that captivated the nation with interviews from central figures.
  • UFOs: The Lost Evidence

    2017

    UFOs: The Lost Evidence

    2017

    star 5.7
    UFOs: The Lost Evidence examines UFOs that may be inhabiting our oceans, top-secret military base Area 52, pilot and astronaut UFO sighting accounts, and deathbed confessions.
  • Murder at My Door

    2020

    Murder at My Door

    2020

    star 8
    This gripping true-crime series explores cases of innocent people murdered in their own homes by someone they thought they could trust and, in some cases, had known for many years.
  • TransGeneration

    2005

    TransGeneration

    2005

    star 5.9
    TransGeneration is an eight episode documentary series depicting the lives of four transgender college students during the 2004/2005 school year as they attempt to balance college, their social lives, and their struggle "to merge their internal and external selves" while gender transitioning.
  • Monsters Among Us

    2015

    Monsters Among Us

    2015

    star 8
    Monsters. Ghosts. Zombies. From horror movies to Halloween, we see the creatures that go bump in the night everywhere, but where did they come from?
  • Vintage Tech Hunters

    2018

    Vintage Tech Hunters

    2018

    Vintage Tech Hunters features charismatic collectors Shaun Hatton and Bohus Blahut, who have turned an obsession with retro pop culture finds into their dream jobs. The vibrant duo scours Canada and the U.S., rooting through rickety attics, dusty garages, flea markets, and auctions for rare and nostalgic treasures. From original Nintendo Game Boys and priceless first-edition computers to animatronic toys, the pair aims to uncover rare and nostalgic treasures – because to the right collector, they’re worth a fortune.
  • World War II: Witness to War

    2017

    World War II: Witness to War

    2017

    World War II: Witness to War tells the stories of the brave men and women who sacrificed everything in order to survive World War II. From the 1939 German Invasion of Poland, to the dropping of the atomic bomb, this series explores WWII through a deeply human perspective.
  • Wrong Man

    2018

    Wrong Man

    2018

    star 6.8
    A team of esteemed experts re-investigate the cases of three inmates who have been locked up for decades and claim they're innocent.
  • PROMISELAND

    2021

    PROMISELAND

    2021

    Take an intimate journey with NBA rookie Ja Morant as he navigates the perils of the 2019–2020 season—not just a challenging year for live basketball, but for humanity. Apart from the suspension of his sport, the young point guard must grapple with a world utterly transformed by a global pandemic and the urgent call for racial justice. Guest stars include Carmelo Anthony, A’ja Wilson and more.
  • Inside Hitler's Killing Machine

    2016

    Inside Hitler's Killing Machine

    2016

    star 5.6
    May 1945: With the end of the war and the surrender of the Third Reich, the world discovered the full horror of a genocidal system on a scale never before seen in the history of humanity. The elimination of millions of individuals had been meticulously planned by a regime whose organization and methods were just beginning to be understood.
  • Behind Bars: The World's Toughest Prisons

    2016

    Behind Bars: The World's Toughest Prisons

    2016

    star 7
    These are some of the toughest prisons in the world. Prisons so tough, even gang bosses and killers learn the meaning of fear. Across four continents, six different prisons, the series takes us beyond the gates, walls, barred windows and cells into an unknown world, a world we know exists, but a world nobody wants to think about.
  • Tueurs et menteurs

    2024

    Tueurs et menteurs

    2024

    star 8
    Explores the diabolical personas of murderers who cry fake tears to manipulate the media and public in a disturbing attempt to exonerate themselves from their crimes. Chilling cases where public appearances and police interviews played host for killers Ted Bundy, John Wayne Gacy, Drew Peterson, Chacey Poynter, Stephen McDaniel and Chris Watts to feign grief in attempts to persuade the public of their innocence.
  • The Truth About My Murder

    2022

    The Truth About My Murder

    2022

    Forensic pathologist and author Dr Richard Shepherd uncovers the truth behind horrific crimes as told through the victims' bodies to separate fact from fiction and ensure the truth always prevails.
  • «
  • 1
  • .....
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • .....
  • 26
  • »
  • Follow us here

    X Facebook YouTube
    HomeAboutPrivacy PolicyContact
    Copyright © 2026 Series to Watch.