Movies Like Ghosts of Portal 31

If you liked Ghosts of Portal 31 (2018), a documentary movie directed by Thomas Marcum, here are 20 movies with a similar feel, based on TMDB's recommendations. Each one links to its cast, trailer and where it's streaming.

1
A Toxic Love Story (2026)
★ 6.4/10Also documentary
A string of threatening emails escalates into a revenge plot involving a newly married US marshal and his ex-girlfriend.
2
Above Majestic (2018)
★ 7.4/10Also documentary
A look at the origins, history and conspiracies behind the "Majestic 12", a clandestine group of military and corporate figureheads charged with reverse-engineering extraterrestrial technology.
3
Come See Me in the Good Light (2025)
★ 7.1/10Also documentary
In an intimate and joyful story of love in the face of loss, celebrated poets Andrea Gibson and Megan Falley find strength—and unexpected hilarity—in what might be their final year together.
4
28 Up (1985)
★ 7.5/10Also documentary
Just two years away from turning 30, participants in Michael Apted's documentary series are facing serious questions of identity and purpose, wondering whether they've found their place in the world.
5
Evil Influencer: The Jodi Hildebrandt Story (2025)
★ 6.2/10Also documentary
Unravel the case of Utah therapist Jodi Hildebrandt, whose child abuse arrest with parenting YouTuber Ruby Franke exposed a twisted tale of manipulation.
6
S4: The Bob Lazar Story (2026)
★ 8.4/10Also documentary
Over 35 years after Bob Lazar's revelations, this documentary exposes secrets of a facility the government still denies. Featuring Lazar's testimony, recreations, and new evidence, it reopens a case that continues to…
7
Tabloid (2011)
★ 6.4/10Also documentary
One of America's top documentary filmmakers turns his attention to the outrageous and nearly unbelievable story of Joyce McKinney, a former Miss Wyoming beauty queen who gained a great deal of notoriety after being…
8
Avatar: The Deep Dive - A Special Edition of 20/20 (2022)
★ 7.2/10Also documentary
An inside look at one of the most anticipated movie sequels ever with James Cameron and cast.
9
Ex Libris: The New York Public Library (2017)
★ 6.4/10Also documentary
A documentary about how a dominant cultural and demographic institution both sustains their traditional activities and adapts to the digital revolution.
10
Chris Brown: Welcome to My Life (2017)
★ 6.4/10Also documentary
This compelling Documentary moves beyond the spotlight and past the attention-grabbing headlines to give pop superstar Chris Brown a chance to tell his own story. New interviews with the international phenomenon reveal…
11
35 Up (1991)
★ 7.6/10Also documentary
Director Michael Apted revisits the same group of British-born adults after a 7 year wait. The subjects are interviewed as to the changes that have occurred in their lives during the last seven years.
12
The Curse of the Dragon (1993)
★ 7.2/10Also documentary
A 1993 documentary film about Bruce Lee. The film includes interviews from some of his fellow students and opponents who worked alongside him in his movies.
13
21 Up (1977)
★ 7.4/10Also documentary
After another 7 year wait, director Michael Apted revisits the same group of British-born children from Seven Up! and 7 Plus Seven. The subjects are interviewed as to the changes that have occurred in their lives…
14
My Mom Jayne (2025)
★ 8/10Also documentary
Through deeply personal interviews with her siblings and an examination of the photographs, letters, and belongings left behind, Mariska assembles a new portrait of her mother Jayne Mansfield, an extraordinary and…
15
42 Up (1999)
★ 7.6/10Also documentary
Director Michael Apted revisits the same group of British-born adults after a 7 year wait. The subjects are interviewed as to the changes that have occurred in their lives during the last seven years.
16
You Can See Everything (2026)
★ 8.9/10Also documentary
Thirty-four days before she's sent to prison, notorious Silicon Valley founder Elizabeth Holmes invites a skeptical film crew to document her every move. What begins as an intimate portrait of an enigmatic felon…
17
We Live in Public (2009)
★ 6.8/10Also documentary
In 1999, Internet entrepreneur Josh Harris recruits dozens of young men and women who agree to live in underground apartments for weeks at a time while their every movement is broadcast online. Soon, Harris and his…
18
The Captains (2011)
★ 6.4/10Also documentary
The Captains is a feature-length documentary film written and directed by William Shatner. The film follows Shatner as he interviews the other actors who have portrayed starship captains in the Star Trek franchise.
19
180° South (2010)
★ 7.2/10Also documentary
The film follows adventurer Jeff Johnson as he retraces the epic 1968 journey of his heroes Yvon Chouinard and Doug Tompkins to Patagonia.
20
Capital in the Twenty-First Century (2019)
★ 6.5/10Also documentary
Film adaptation of French economist Thomas Piketty's ground-breaking global bestseller of the same name: an eye-opening journey through wealth and power.