

Watch Blue (2017) for free in the UK on Prime Video. Last updated 3 April 2026.
Featuring passionate advocates for ocean preservation, BLUE takes us into their world where the story of our changing ocean is unfolding. We meet those who are defending habitats, campaigning for smarter fishing, combating marine pollution and fighting for the protection of keystone species.
Director: Karina Holden
Streaming info last checked: 3 Apr 2026