Movies Like String Theory

If you liked String Theory, a documentary movie directed by Russell Houghten, 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
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.
2
Aquaman: Heroines of Atlantis (2019)
★ 6.2/10Also documentary
Amber Heard and Nicole Kidman discuss their characters Mera and Atlanna.
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
Trainwreck: The Real Project X (2025)
★ 5.9/10Also documentary
A night of drunken chaos rocks a quiet Dutch town in this shocking documentary about a teen's birthday invite that accidentally went viral on Facebook.
5
Avatar: Creating the World of Pandora (2010)
★ 6.5/10Also documentary
The Making-of James Cameron's Avatar. It shows interesting parts of the work on the set.
6
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.
7
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.
8
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.
9
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.
10
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…
11
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.
12
The Mole: Undercover in North Korea (2020)
★ 7.1/10Also documentary
A real-life undercover thriller about two ordinary men who embark on an outrageously dangerous ten-year mission to penetrate the world's most secretive and brutal dictatorship: North Korea.
13
Elstree 1976 (2015)
★ 6.2/10Also documentary
A documentary about ten very different lives connected by having appeared onscreen wearing masks or helmets in Star Wars.
14
The Class of ‘92 (2013)
★ 7.1/10Also documentary
A detailing of the rise to prominence and global sporting superstardom of six supremely talented young Manchester United football players (David Beckham, Nicky Butt, Ryan Giggs, Paul Scholes, Phil and Gary Neville)…
15
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…
16
Directed by John Ford (1971)
★ 7/10Also documentary
A documentary about the life and films of director John Ford.
17
Marvel Studios Assembled: The Making of Hawkeye (2022)
★ 7.2/10Also documentary
Join the likes of Jeremy Renner, Hailee Steinfeld, Florence Pugh, and Vincent D’Onofrio as they reveal how Marvel Studios’ “Hawkeye” was conceived and created. Witness firsthand what it took to pull off the show’s…
18
Dawg Fight (2015)
★ 6.4/10Also documentary
In a crime-plagued neighborhood near Miami, brutal, bare-knuckled backyard fights give young men a chance to earn money -- and self-respect.
19
Welcome to Chechnya (2020)
★ 7/10Also documentary
This searing investigative work shadows a group of activists risking unimaginable peril to confront the ongoing anti-LGBTQ program raging in the repressive and closed Russian republic. Unfettered access and a…
20
Seduced and Abandoned (2013)
★ 6.2/10Also documentary
SEDUCED AND ABANDONED combines acting legend Alec Baldwin with director James Toback as they lead us on a troublesome and often hilarious journey of raising financing for their next feature film. Moving from director…