Celine and Fabien Cousteau use cutting-edge tech to investigate one of the most credible UFO sightings in history, when a strange alien craft was spotted crashing into the ocean; what they discover might reveal evidence of extraterrestrial contact.
Celine and Fabien Cousteau use cutting-edge tech to investigate a strange part of the ocean that's home to unexplained sightings of a terrifying sea monster. What they discover at this mysterious blue hole could lead them to an even deadlier creature.
