《海底大揭秘第四季》是Yavar Abbas,Steven Clarke,Catrin Evans,Anna Jeffries,Christopher Riley,Adam Warner,Alex West,Chris Thorburn,Tomasz Cebula,Wayne Derrick导演的作品，发行于2021年（英国），由凯瑞·莎勒等主演，神秘电影网为大家提供海底大揭秘第四季完整版免费在线观看，能在手机和电脑上流畅观看海底大揭秘第四季高清版（已完结英语原声），同时还支持是手机投屏。
记录片海底大揭秘第四季讲述了： 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.
