Movies Like Once You Know

If you liked Once You Know (2021), a documentary movie directed by Emmanuel Cappellin, 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
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.
2
Earth: One Amazing Day (2017)
★ 7.7/10Also documentary
An astonishing journey revealing the awesome power of the natural world. Over the course of one single day, we track the sun from the highest mountains to the remotest islands to exotic jungles.
3
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.
4
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.
5
The Age of Stupid (2009)
★ 6.6/10Also documentary
Pete Postlethwaite stars as a man living alone in the devastated future world of 2055, looking at old footage from 2008 and asking: why didn’t we stop climate change when we had the chance?
6
On the Adamant (2023)
★ 7/10Also documentary
The Adamant is a unique day-care centre. A floating structure located on the Seine in the heart of Paris, it welcomes adults suffering from mental disorders, offering the kind of care that grounds them in time and…
7
My Mom Jayne (2025)
★ 7.9/10Also 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…
8
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.
9
Harmontown (2014)
★ 6.6/10Also documentary
A comedic, brutally honest documentary following self-destructive TV writer Dan Harmon as he takes his live podcast on a national tour.
10
Heart of a Dog (2015)
★ 6.5/10Also documentary
Musician and performance artist Laurie Anderson reflects on the deaths of her husband Lou Reed, her mother and her beloved dog.
11
No Half Measures: Creating the Final Season of Breaking Bad (2013)
★ 8.5/10Also documentary
A documentary about the making of season five of the acclaimed AMC series Breaking Bad.
12
Being James Bond (2021)
★ 7.8/10Also documentary
Daniel Craig candidly reflects on his 15 year adventure as James Bond. Including never-before-seen archival footage from Casino Royale to the upcoming 25th film No Time To Die, Craig shares his personal memories in…
13
McQueen (2018)
★ 7.4/10Also documentary
Alexander McQueen's rags-to-riches story is a modern-day fairy tale, laced with the gothic. Mirroring the savage beauty, boldness and vivacity of his design, this documentary is an intimate revelation of McQueen's own…
14
Sidney (2022)
★ 6.9/10Also documentary
This revealing documentary honors the legendary Sidney Poitier—iconic actor, filmmaker, and civil rights activist. Featuring interviews with Denzel Washington, Spike Lee, Halle Berry, and more.
15
An Inconvenient Sequel: Truth to Power (2017)
★ 6.6/10Also documentary
A decade after An Inconvenient Truth brought climate change into the heart of popular culture comes the riveting and rousing follow-up that shows just how close we are to a real energy revolution. Vice President Al…
16
An Inconvenient Truth (2006)
★ 6.9/10Also documentary
A documentary on Al Gore's campaign to make the issue of global warming a recognized problem worldwide.
17
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.
18
Directed by John Ford (1971)
★ 7/10Also documentary
A documentary about the life and films of director John Ford.
19
Human (2015)
★ 8.4/10Also documentary
A collection of stories about and images of our world, offering an immersion to the core of what it means to be human. Through these stories full of love and happiness, as well as hatred and violence, it brings us face…
20
Looking for Richard (1996)
★ 6.8/10Also documentary
Al Pacino's deeply-felt rumination on Shakespeare's significance and relevance to the modern world through interviews and an in-depth analysis of "Richard III."