Movies Like Undaunted: The Forgotten Giants of the Allegheny Observatory

If you liked Undaunted: The Forgotten Giants of the Allegheny Observatory (2012), a documentary movie directed by Dan Handley, 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
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.
2
Unknown: Cosmic Time Machine (2023)
★ 7.4/10Also documentary
The James Webb Telescope stirs imaginations with vivid photos of distant galaxies. This documentary tracks its historic journey from inception to launch.
3
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…
4
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.
5
I Am Heath Ledger (2017)
★ 7.4/10Also documentary
The life and career of an actor, artist, and icon. His own journey through his own camera.
6
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.
7
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.
8
A Decade Under the Influence (2003)
★ 7.9/10Also documentary
A documentary examining the decade of the 1970s as a turning point in American cinema. Some of today's best filmmakers interview the influential directors of that time.
9
As I Was Moving Ahead Occasionally I Saw Brief Glimpses of Beauty (2000)
★ 7.8/10Also documentary
A compilation of over 30 years of private home movie footage shot by Lithuanian-American avant-garde director Jonas Mekas, assembled by Mekas "purely by chance", without concern for chronological order.
10
Black Sheep (2018)
★ 7.2/10Also documentary
After the high-profile killing of Damilola Taylor, Cornelius' family move out of London. But when they discover their new town is run by racists, Cornelius takes a drastic step to survive.
11
Directed by John Ford (1971)
★ 7/10Also documentary
A documentary about the life and films of director John Ford.
12
Justin Bieber's Believe (2013)
★ 6.9/10Also documentary
A backstage and on-stage look at Justin Bieber during his rise to super stardom.
13
Air Force Elite: Thunderbirds (2025)
★ 6.9/10Also documentary
The elite pilots of the Air Force Thunderbirds display exceptional skill, trust and courage during a high-stakes training season.
14
Selena Gomez: My Mind & Me (2022)
★ 8.4/10Also documentary
After years in the limelight, Selena Gomez achieves unimaginable stardom. But just as she reaches a new peak, an unexpected turn pulls her into darkness. This uniquely raw and intimate documentary spans her six-year…
15
Lionel Messi: Destiny (2023)
★ 7.8/10Also documentary
Behind-the-scenes documentary about how Lionel Messi succeeded in lifting the World Cup – the only trophy to have eluded him in an incredible career.
16
The Last Repair Shop (2024)
★ 7.5/10Also documentary
In a warehouse in the heart of Los Angeles, a dwindling handful of devoted craftspeople maintain more than 80,000 student musical instruments, the largest remaining workshop in America of its kind. Meet four…
17
Anna Nicole Smith: You Don't Know Me (2023)
★ 6.1/10Also documentary
From the heights of her modeling fame to her tragic death, this documentary reveals Anna Nicole Smith through the eyes of the people closest to her.
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
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.
20
The Devil and Daniel Johnston (2006)
★ 7.7/10Also documentary
This 2005 documentary film chronicles the life of Daniel Johnston, a manic-depressive genius singer/songwriter/artist, from childhood up to the present, with an emphasis on his mental illness and how it manifested…