• 第01集
• 第02集
• 第03集
• 第04集
• 第05集
• 第06集
• 第07集
• 第08集

海底大揭秘第四季第01集是导演Yavar Abbas,Steven Clarke,Catrin Evans,Anna Jeffries,Christopher Riley,Adam Warner,Alex West,Chris Thorburn,Tomasz Cebula,Wayne Derrick力邀凯瑞·莎勒  等演员出演,才有了这部2021年在英国上映蓝光纪录片,樱花动漫https://www.021baihe.com提供海底大揭秘第四季01剧情介绍：

　　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.
　　Episodes include…
　　1.The Wild West
　　2.The Battle for the Black Swan
　　3.Arctic War
　　4.Hollywood
　　5.The First Americans
　　6.Venice's Lost Empire
　　7.The Mississippi River
　　8.Hurricane Apocalypse
　　9.The Great Barrier Reef
　　10.Sea of Secrets