The phrase "revealing documentary" is correct and usable in written English.
It can be used to describe a documentary that uncovers or discloses significant information or insights about a subject.
Example: "The revealing documentary shed light on the hidden struggles of the community, prompting a national conversation."
Alternatives: "illuminating documentary" or "exposing documentary".
Greta Schiller's intelligent, revealing documentary about artistic women living in Paris between the wars is now available on DVD.
In 2012, Ice T and Jorge Hinojosa produced the entertaining and revealing documentary "Iceberg Slim: Portrait of a Pimp," which both celebrated and humanized its subject.
The film offers some of the most trenchant and revealing documentary footage that I've seen about protests against — and for — the war.
Dror Moreh's first-rate film has rightly been compared with The Fog of War, Errol Morris's revealing documentary on US secretary of defence Robert S McNamara.
The O2, London, Wednesday to September 2017 Alan Bennett's Diaries Live What's better than a screening of Adam Low's highly revealing documentary on the acerbic man of letters?
COMEDIAN -- Jerry Seinfeld on the big screen in a revealing documentary as he hits the road, making his return to the world of stand-up comedy.
Michael Moore pledged Tuesday that his newly revealed documentary about Donald Trump will finally defeat the president.
A revealing National Geographic Channel documentary titled "American Skinheads" that aired on Wednesday, March 19 , 2008 included a segment about Arizona's growing and violent racist activities by white supremacists, neo-nazis, skinheads and others.
The result is Mistaken For Strangers, a film that joins Dig!, Anvil and Metallica: Some Kind Of Monster in a lineage of accidentally revealing band documentaries.
And why, starting in 1969, did I risk prison to reveal the documentary record?
For the fiftieth anniversary of the often mythologized events, Metrograph and French Institute Alliance Française present programs that reveal the documentary fervor and artistic imagination that arose from the ferment of the time.
