Film

Chasing Coral

A diving team races the clock as time-lapse cameras document coral reefs dying in real time, turning an invisible catastrophe into something you can actually watch happen. It's part detective story, part grief journal, built by the same crew behind Chasing Ice. Gorgeous, quietly devastating, and built to make you care about something you've probably never thought about twice.

TMDb rating3.9

Should you watch it?

Watch it if you want a documentary that turns a slow-building environmental crisis into something you can see with your own eyes, with the patience of a time-lapse camera and the stakes of a thriller, much like the Netflix-style nature films that lean on images over talking heads.

Skip it if you go to documentaries for argument and analysis, since this one leans on the camera and its emotional pull more than on deep scientific detail or policy debate.

What it asks of you: It runs about ninety-three minutes and holds you through long stretches of waiting for a single frame to change, so it rewards stillness more than quick cuts.

Not sure? Find tonight's pick in a minute.

If you liked this

Chasing Ice2012

The same director, the same time-lapse trick, aimed at glaciers instead of reefs. If Chasing Coral worked on you, this is the film that taught its makers how to do it.

But It's essentially the same emotional structure again — stunning footage, mounting dread, a race against melting ice.

Chasing Ice poster

My Octopus Teacher2020

A completely different register — intimate, meditative, one man and one octopus in a kelp forest off South Africa. It makes you fall in love with the ocean before it ever mentions losing it.

But Slow, personal, almost spiritual in tone. There's no crisis narrative here, just quiet wonder — some will want more urgency.

My Octopus Teacher poster

Mission Blue2014

Sylvia Earle's decades-long campaign to protect the oceans, told with the same mix of science and heartbreak. A natural next step if Chasing Coral left you wanting a wider view of ocean collapse.

But Broader and less visually focused — it's more biography and advocacy than the tight, cinematic urgency of Chasing Coral.

Mission Blue poster

Not sure tonight? Get a pick in a minute, starting from Chasing Coral

The wildcard

Something you would not have found on your own.

The Silent World1956

It's the ancestor of every ocean documentary since, including this one — watch it and you're seeing the very reefs Chasing Coral mourns, still alive and untouched.

Jacques Cousteau's Palme d'Or-winning film was the first to take mainstream audiences underwater at all — Kodachrome reefs, teeming and intact, decades before anyone worried about bleaching.

But Also shows Cousteau's crew killing sharks and dynamiting reefs for footage — startling by today's conservation standards, a real product of its era.

The Silent World poster
More like this (8)

The Cove2009

Another team of divers and cameras exposing something the world wasn't meant to see, this time the dolphin hunts of Taiji. Same thriller-like tension, same underwater covert-ops energy.

But More confrontational and graphic — it leans into shock and activism harder than Chasing Coral's measured, scientific approach.

The Cove poster

Blackfish2013

Proof that a documentary about one specific injustice can reshape public opinion and industry practice almost overnight. If you want to see activism-through-film actually work, this is the case study.

But Focused on captivity and cruelty rather than climate — a different kind of anger, more personal and less systemic.

Blackfish poster

An Inconvenient Truth2006

The granddaddy of climate documentaries — a slideshow that somehow became a cultural event. Watching it now is its own gut-punch: nearly everything it warned about has arrived.

But Dated presentation, heavy on lecture format. It's more PowerPoint than cinema, though the content still lands hard.

An Inconvenient Truth poster

Our Planet2019

David Attenborough narrates staggering nature footage that keeps quietly reminding you how much of it is already vanishing. Beautiful and unsettling in exactly the way Chasing Coral is.

But Episodic and broader in scope — less a single sustained argument, more a tour of many ecosystems under threat.

Our Planet poster

Virunga2014

Rangers risk their lives protecting gorillas and a national park from oil companies and militia. Same DNA of ordinary people fighting an invisible, well-funded threat to a fragile ecosystem.

But More political thriller than nature doc — war and corruption take up as much screen time as wildlife.

Virunga poster

Before the Flood2016

Leonardo DiCaprio travels the globe interviewing scientists and leaders about climate change, with the same urgent, data-backed tone Chasing Coral uses for reefs specifically.

But Star-driven and sprawling, covering the whole planet rather than one vivid, contained story — less intimate, more overview.

Before the Flood poster

WALL·E2008

Both are stories about humans failing to notice a slow-motion collapse until it's nearly too late — one uses coral scientists, the other uses a lonely robot and a plant.

An animated Pixar romance about a garbage-compacting robot on a dead Earth, wrapped around exactly the same warning Chasing Coral delivers — except this one makes children cry instead of adults.

But It's a kids' film, played for tenderness and comedy rather than data — the ecological message is a backdrop, not the argument.

WALL·E poster

Leviathan2013

Same ocean-in-crisis subject, opposite method: where Chasing Coral explains and pleads, Leviathan just immerses you in the machinery of extraction and lets the dread speak for itself.

An experimental, nearly wordless documentary shot aboard a commercial fishing trawler — no narration, no interviews, just overwhelming sound and image of an ocean being industrially stripped.

But Genuinely disorienting and confrontational — no explanation, no comfort, no talking heads to guide you through what you're seeing.

Leviathan poster

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Recommended by

The Biggest Little Farm, The Cove, Seaspiracy, Blue Planet II, Our Planet, Racing Extinction, Fantastic Fungi, The Silent World, Deep Blue, Mission Blue, Before the Flood, Kiss the Ground, Years of Living Dangerously, The Year Earth Changed, The Loneliest Whale: The Search for 52, The End of the Line, RiverBlue, Inside the Mind of a Dog, The Story of Stuff, Tiny World, The Truth About Stress, Becoming Cousteau, Breakthrough, 76 Days, VICE News Tonight, Stink!, All That Breathes, I Am Greta, The Last Place on Earth