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Sir David Attenborough’s latest cinematic masterpiece, Ocean: With David Attenborough, has taken the global box office by storm, grossing an impressive £2,526,000, making it the highest-grossing documentary of 2025 so far.
Released on the broadcasting legend’s 99th birthday, May 8, the film has resonated with audiences worldwide thanks to its powerful environmental message and breathtaking underwater cinematography. Widely described as “the greatest message he’s ever told,” Ocean cements Sir David’s status not just as a national treasure, but as a global voice for nature.
In Ocean, the renowned naturalist explores what he calls “the most important place on Earth”, its oceans. At a time when marine ecosystems are under unprecedented pressure, the film doesn’t shy away from confronting hard truths. It showcases never-before-seen footage of the catastrophic impact of bottom trawling, a destructive fishing method that devastates ocean floors, and highlights the growing threat of plastic pollution and overfishing.
But amid the stark warnings, there is hope. Sir David’s message is clear: “Our oceans can bounce back.” With real-world examples of successful conservation and recovery, the film offers a sense of optimism grounded in science and action.
Critics and audiences alike have praised Ocean for its emotional impact, visual splendour, and urgency. The documentary has broken into the top 25 highest-grossing theatrical documentaries of all time, a rare feat for a nature film, and a testament to Attenborough’s enduring ability to inspire across generations.
Cinema-goers have flooded social media with praise, calling the film “life-changing,” “profound,” and “a must-watch for everyone on the planet.” Environmental groups and schools have also rallied around the film, urging governments to act on the issues raised.
This cinematic milestone follows in the footsteps of Attenborough’s previous successes like Blue Planet II and A Life on Our Planet, but Ocean may well be his most vital message yet, a rallying cry to protect the heartbeat of the Earth.
As Sir David nears a century of life, his voice remains one of the loudest, and most loved, in the fight to save our planet. And with Ocean, he’s once again proven that nature, if given the chance, has the power to recover.