By scanning the locations at the bottom of the ocean where sunken ships, treasures and even cities lie, the show tries to answer what they look like, how they got there and if they hide any secrets.
该纪录片分为两部分，讲述了一位母亲把女儿送给别人收养，在后者于1989年失踪后，这位坚毅的女性揭开了该案的重重迷团。
Lori Vallow was known to friends and family as a devoted mother of three, a loving wife, and a woman of God. But over the past three years, something went very wrong: Now Lori is in jail, waiting to stand trial for conspiracy to commit murder and first-degree murder in connection with the deaths of her fourth husband, her fifth husband’s wife, and her two youngest children. For the first time, Lori’s surviving son Colby steps forward to provide exclusive insight into his family’s backstory as well as their present-tense narrative as Lori faces justice. At the heart of this three-part series is a single burning question: how did a seemingly normal woman become the most notorious mother in America?
Arach is a baby caiman. His father, Akam the valiant is a legend: not only is he the greatest hunter of the Great Kingdom but he is also the first caiman who decided to have a family. As Arach tells us how this all happened, we set off on a magical journey throughout mesmerizing Amazon. A tale of hope, love and family where animals talk and nature unveils its’ finest marvels.
节目历经三季，本季继续聚焦长沙解放西繁华商圈的警察工作日常，展现繁华都市的守护者群像。第四季节目将迎来全新的守护者联盟，由新任所长带领新一批的“三高”民警，同交警组、水警法医组、特巡警组等，不分时段、不分地域、不分人群，全力维护着城市秩序，保护着每一个人，共同守护解放西的繁荣和安全。
