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
  • Great Lighthouses of Ireland

    2018

    Great Lighthouses of Ireland

    2018

    Great Lighthouses of Ireland tells the story of Ireland’s lighthouses and their continuing importance to the country’s survival. For all their romance and mystery, lighthouses remain a vital part of Ireland’s maritime infrastructure.
  • NFL Top 10

    2007

    NFL Top 10

    2007

    NFL Top 10 is a documentary program produced by NFL Films for airing on the NFL Network. The host and narrator is Derrin Horton. The program counts down 10 items directly related to the players, coaches, and events of the National Football League, with former players, NFL Network personalities, and other members of the media weighing in on the picks. Reruns show on Sunday nights, while new episodes air on Friday nights.
  • Aliens In Alaska

    2021

    Aliens In Alaska

    2021

    star 6.7
    Alaska is a hotbed for UFO sightings, abductions and extraterrestrial encounters. Why are these otherworldly visitors drawn to America’s last frontier? Shocking new evidence and personal testimony from local witnesses shed light on the alien activity.
  • Two Shallow Graves

    2022

    Two Shallow Graves

    2022

    star 7
    The disappearance of the McStay's haunts police for three years until their remains turn up in the desert. Prosecutors say evidence proves Chase Merritt killed them, Merritt said he's innocence, claiming they are misinterpreting the facts.
  • Christiane Amanpour: Sex & Love Around the World

    2018

    Christiane Amanpour: Sex & Love Around the World

    2018

    star 6.9
    Amanpour gets personal with women she meets in various corners of the globe by inquiring about their intimate lives. In the process, she shines a light on what sex and love look like around the world.
  • Griff's Great Australian Rail Trip

    2020

    Griff's Great Australian Rail Trip

    2020

    British comedian and travel enthusiast Griff Rhys Jones hops on some of Australia's most impressive long distance trains, travelling across the expansive outback and along spectacular coastlines.
  • 21st Century Serial Killers

    2018

    21st Century Serial Killers

    2018

    star 8
    21st Century Serial Killers forensically researches the lives of the killers who can't stop killing, revealing how the grim opportunities, provided by the 21st century, played a part in a number of murders.
  • To Catch a Killer

    2014

    To Catch a Killer

    2014

    star 7
    (CA) A team led by criminologist and former detective Dr. Mike Arntfield uses its advanced skills, which include medical biophysics and private investigating along with 21st-century technology to try to solve longstanding mysteries and give victims' families closure. In each episode, the team goes into the field in search of new leads by talking with family members, dissecting new and old evidence, and re-enacting the crimes in their quest to solve these longstanding mysteries.
  • Hitler vs Churchill: The Eagle and the Lion

    2016

    Hitler vs Churchill: The Eagle and the Lion

    2016

    A documentary which explores the remarkable parallels between the careers of Adolf Hitler and Winston Churchill, as well as their personal rivalry and animosity.
  • Blood, Lies, And Alibis

    2012

    Blood, Lies, And Alibis

    2012

    star 10
    Tracks criminal investigators as they unravel stories behind cold blooded murders. With the help of forensic evidence, old fashioned legwork and years of dogged determination, detectives deliver justice to families and communities.
  • Gangster Empire: Rise of the Mob

    2013

    Gangster Empire: Rise of the Mob

    2013

    star 2
    Violence and corruption pulsed through the soul of the Gangster Empire during the heyday of Prohibition and the Atlantic City Boardwalk.
  • Secrets of the Morgue

    2018

    Secrets of the Morgue

    2018

    star 7.5
    Explore high-profile murder cases from the perspective of the medical examiner, as they work alongside homicide detectives to bring justice to murder victims and their families.
  • David Jason's Secret Service

    2017

    David Jason's Secret Service

    2017

    star 1
    Actor and British national treasure Sir David Jason travels around the UK and beyond to reveal the secret places and people who act as guardians and gatekeepers of the incredible but true story of Britain’s spy history.
  • How The Nazis Lost The War

    2021

    How The Nazis Lost The War

    2021

    star 7.5
    The decline of Hitler’s empire from the inside out by exploring the decline of the Nazis through the perspective of Hitler's bumbling generals and a paranoid Fuhrer.
  • Visions of War: Nazi War Criminals

    2019

    Visions of War: Nazi War Criminals

    2019

    Nazi war criminals are hunted down and put on trail for atrocities committed during WWII. Contains Film of the concentration camps with survivors interviewed. These films follow the rise and fall of Nazism from the Munich beer halls to the Nuremberg War Trials. Includes flashbacks of a variety of Nazi war crimes against humanity.
  • Murder Decoded

    2019

    Murder Decoded

    2019

    star 8.7
    In the wake of every murder, clues appear. Murder Decoded tells forensics-driven stories of committed investigators deciphering which clues mean nothing and which ones will put a killer behind bars and bring justice to victims' loved ones.
  • Endurance: Race to the Pole

    2023

    Endurance: Race to the Pole

    2023

    star 4
    Following intrepid adventurers Ben Fogle and Dwayne Fields as they journey to Antarctica to relive the trials and tribulations of the deadly Race to the Pole at the beginning of the 20th Century.
  • Descent of a Serial Killer

    2022

    Descent of a Serial Killer

    2022

    Leading forensic profiler and serial killer expert Dr. Bryanna Fox examines the serial killer's path from childhood or early teens when worrying traits first come to the fore, the gradual pushing of boundaries and the disintegration of personal morality, and the culmination to murder or multiple murders.
  • That Chapter

    2023

    That Chapter

    2023

    star 7.5
    With extensive research, That Chapter reveals the details of some of the most chilling true crime cases, some of which remain unsolved today.
  • Alien Disclosure Files

    2024

    Alien Disclosure Files

    2024

    star 8
    Are we alone? For nearly a century governments have classified contact with extraterrestrial life, in the past 5 years there have been more declassified UAP events than ever. It's time for disclosure. These are the Alien Disclosure Files.
  • «
  • 1
  • .....
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • .....
  • 25
  • »
  • Follow us here

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