2025 Arkhaios Film Festival

Drain the Oceans – Battle for the Black Swan

Available in 10d 09h 25m 48s
Available October 13, 2025 1:00 PM UTC
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SYNOPSIS

The largest treasure haul ever found underwater makes headlines worldwide, but soon, attention turns to who really won the half-billion dollar treasure of the mysteriously code-named "Black Swan"?

 

Fearing one of their most prized historical treasures has been uncovered, the Kingdom of Spain takes on salvage company Odyssey Marine Exploration for the treasure.

 

As the two sides fight it out in a Tampa court, it soon becomes clear that not all is what it seems... Using unique techniques developed for the series Drain the Oceans, the extent of the treasure on the seabed is revealed for the first time, and the debate of 'who owns history' is taken to a whole new level.


ABOUT THE DIRECTOR

Christopher Riley is a double BAFTA and triple Grierson-nominated documentary film director and writer specialising in science, engineering and history. He has directed and produced more than thirty films for the BBC, Film4, Netflix, Disney, National Geographic, The Discovery Channel and the Smithsonian, and has written and directed commercial shorts and branded content for HSBC, Vodafone and architects Foster + Partners.

Chris co-wrote The Moonwalkers with Tom Hanks; an immersive film which premiered at Light Room in London in December 2023, to five star reviews, and at Light Room Seoul in June 2024 and Space Centre Houston in March 2025.

AWARDS & SCREENINGS

New York Festivals - Gold Medal 2023

BAFTA nomination - 2023

  • Year
    2021
  • Runtime
    46 minutes
  • Language
    English
  • Country
    United Kingdom
  • Director
    Christopher Riley
  • Producer
    Nigel Walk
  • Executive Producer
    Mallinson Sadler Productions
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