<p>　　Combining undersea exploration with innovative visualizations, DRAIN THE OCEANS reveals hidden evidence of amazing undersea mysteries.<br/>　　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.<br/>　　Episodes include…<br/>　　1.The Wild West<br/>　　2.The Battle for the Black Swan<br/>　　3.Arctic War<br/>　　4.Hollywood<br/>　　5.The First Americans<br/>　　6.Venice&#39;s Lost Empire<br/>　　7.The Mississippi River<br/>　　8.Hurricane Apocalypse<br/>　　9.The Great Barrier Reef<br/>　　10.Sea of Secrets</p>