Ocean with captures the destruction caused to our ocean beds through bottom trawling, and fans are encouraging others to watch the film, which is available to watch on this week.
The movie was released in cinemas to mark the seabed to catch fish. Iron chains sweep across the sea floor, ruining the habitat and bringing up silt, which releases carbon into the water as species are captured.
bottom trawling has been captured in such high quality, and the method's destruction has had a profound impact on viewers, who have rated the movie extremely highly on IMDb.
One IMDb user rated the film 10 out of 10, calling it "the most important documentary of our time".
They added: "This documentary was incredible, it contains the facts and information that we all need to know.
"If you are someone wondering whether or not to see this as you may not think it's your cup of tea then please know that it has been constructed to capture the attention of many different types of people all with different interests.
"The documentary was visually wonderful. Personally, I found this overall an emotional but heart-warming experience."
A second added: "I want to stress again that this is a truly exceptional film. It is rich in insight, full of heart, and offers a powerful call to action that feels both urgent and hopeful. It's not just a film for nature lovers or documentary fans - it's a film for anyone who lives on this planet and cares about its future. Sir David's work continues to be a beacon of knowledge, inspiration, and advocacy.
"In conclusion, I cannot recommend this film highly enough. Take your children, your friends, or simply go alone-but do see it. It's more than just a film; it's an experience, and one that has the potential to change how we see the world and our place in it."
During the heartbreaking film, Sir David says: "If we save the sea, we save our world."
The documentary maker can also be heard stating that "very few places are safe" from this damaging fishing method, which is used daily across the globe.
"It's hard to imagine a more wasteful way to catch fish," he added, as trawlers often hunt for a single species and discard almost everything they catch.
Ocean with David Attenborough can be streamed on Disney+.