海底大揭秘第四季是由Yavar,Abbas,Steven,Clarke,Catrin,Evans,Anna,Jeffries,Christopher,Riley,Adam,Warner,Alex,West,Chris,Thorburn,Tomasz,Cebula,Wayne,Derrick执导的一部拍摄于2021年悬疑,纪录片,历史,记录片在英国上映，主演由凯瑞·莎勒领衔。　　Combining undersea exploration with innovative visualizations, DRAIN THE OCEANS reveals hidden evidence of amazing undersea mysteries　　Not “artists impressions” but what is actually there — down to the very last rivet. And, for its fourth season, it embraces a gripping new style, telling stories purely through the words of explorers and archaeologists, putting viewers right by their side.