主演:阿那托利·萨加洛维奇 / Genya Chernaiev / Victor Nischeta / Pamela Conrad / Arthur 'Lonne' Lane / Jim Childress / Dijanna Figueroa / Michael Henry / Kevin Hand / Maya Tolstoy / Loretta Hidalgo / Kelly Snook / Megan McArthur / Tori Hoehler / Charles Pellegrino / 詹姆斯·卡梅隆
James Cameron teams up with NASA scientists to explore the Mid-Ocean Ridge, a submerged chain of mountains that band the Earth and are home to some of the planet's most unique life forms.