该电影由Yavar Abbas、Steven Clarke、Catrin Evans、Anna Jeffries、Christopher Riley、Adam Warner、Alex West、Chris Thorburn、Tomasz Cebula、Wayne Derrick执导，凯瑞·莎勒等主演，于2021年上映。在45分钟的叙事中，《海底大揭秘第四季》（又名：海底大探索）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.