Movies Like The Secret Science of Sewage

If you liked The Secret Science of Sewage (2021), a documentary movie directed by Craig Collinson, 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
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.
2
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.
3
Gasland (2010)
★ 7.1/10Also documentary
It is happening all across America-rural landowners wake up one day to find a lucrative offer from an energy company wanting to lease their property. Reason? The company hopes to tap into a reservoir dubbed the "Saudi…
4
The Year Earth Changed (2021)
★ 7.9/10Also documentary
Never-before-seen footage shows how our living in lockdown opened the door for nature to bounce back and thrive. Across the seas, skies, and lands, Earth found its rhythm when we came to a stop.
5
The AI Doc: Or How I Became an Apocaloptimist (2026)
★ 6.9/10Also documentary
A father-to-be tries to figure out what is happening with all this AI insanity, and explores the most powerful technology humanity has ever created... and what's at stake if we get it wrong.
6
IMAX Hubble (2010)
★ 7.1/10Also documentary
An IMAX 3D camera chronicles the effort of 7 astronauts aboard the Space Shuttle Atlantis to repair the Hubble Space Telescope.
7
Objectified (2009)
★ 7.1/10Also documentary
A feature-length documentary about our complex relationship with manufactured objects and, by extension, the people who design them.
8
Koyaanisqatsi (1983)
★ 7.9/10Also documentary
Takes us to locations all around the US and shows us the heavy toll that modern technology is having on humans and the earth. The visual tone poem contains neither dialogue nor a vocalized narration: its tone is set by…
9
Harry Potter 20th Anniversary: Return to Hogwarts (2022)
★ 7.3/10Also documentary
An enchanting making-of story told through all-new in-depth interviews and cast conversations, inviting fans on a magical first-person journey through one of the most beloved film franchises of all time.
10
Fantastic Fungi (2019)
★ 7.3/10Also documentary
A vivid journey into the mysterious subterranean world of mycelium and its fruit— the mushroom. A story that begins 3.5 billion years ago, fungi makes the soil that supports life, connecting vast systems of roots from…
11
Video Games: The Movie (2014)
★ 6.2/10Also documentary
From executive producer Zach Braff and director Jeremy Snead, "Video Games: The Movie" is an epic feature length documentary chronicling the meteoric rise of video games from nerd niche to multi-billion dollar…
12
Good Night Oppy (2022)
★ 7.7/10Also documentary
The inspirational true story of Opportunity, a rover that was sent to Mars for a 90-day mission but ended up surviving for 15 years. Follow Opportunity’s groundbreaking journey on Mars and the remarkable bond forged…
13
Stephen Curry: Underrated (2023)
★ 7.5/10Also documentary
The remarkable coming-of-age story of Stephen Curry—one of the most influential, dynamic, and unexpected players in basketball history—and his rise from an undersized college player to a four-time NBA champion.
14
Hawking (2013)
★ 7.6/10Also documentary
The extraordinary story of the planet’s most famous contemporary scientist, told in his own words and by those closest to him. Made with unique access to Hawking’s private life, this is an intimate and moving journey…
15
Embrace the Panda: Making Turning Red (2022)
★ 6.8/10Also documentary
A feature length documentary about the all-women team at the helm of Pixar's original feature, Turning Red. With unprecedented behind-the-scenes access to Director Domee Shi and her core leadership crew, this story…
16
Buck (2011)
★ 7.2/10Also documentary
An examination of the life of acclaimed 'horse whisperer' Buck Brannaman, who recovered from years of child abuse to become a well-known expert in the interactions between horses and people.
17
Dolphin Reef (2018)
★ 6.8/10Also documentary
Echo is a youngster who can't quite decide if it's time to grow up and take on new responsibilities-or give in to her silly side and just have fun. Dolphin society is tricky, and the coral reef that Echo and his family…
18
That Sugar Film (2014)
★ 6.9/10Also documentary
One man's journey to discover the bitter truth about sugar. Damon Gameau embarks on a unique experiment to document the effects of a high sugar diet on a healthy body, consuming only foods that are commonly perceived…
19
Super Size Me (2004)
★ 6.7/10Also documentary
Morgan Spurlock subjects himself to a diet based only on McDonald's fast food three times a day for thirty days without exercising to try to prove why so many Americans are fat or obese. He submits himself to a…
20
Nothing Like a Dame (2018)
★ 6.8/10Also documentary
BBC Arena's documentary on the Dames of British Theatre and film featuring Maggie Smith, Eileen Atkins, Judi Dench and Joan Plowright on screen together for the first time as they reminisce over a long summer weekend…