Ghosts of the Deep: Black Sea Shipwrecks is currently streaming on HBO Max

Ghosts of the Deep: Black Sea Shipwrecks (2019)84 minDocumentaryRating 42/100

The largest ocean archaeological expedition ever has discovered a fleet of ancient ships perfectly preserved in the Black Sea's mysterious depths, and as experts investigate this holy grail of shipwrecks, they uncover hidden secrets and lost treasures.