A healthy, 10-foot pregnant Porbeagle shark vanishes in the Bermuda Triangle. The evidence suggests an unknown, monstrous predator could be to blame. Dr. James Sulikowski and a team of scientists dive into the most mysterious part of the ocean to uncover the truth behind the attack.

The tip of South Africa is a hotspot for unusual sharks that exhibit bizarre behaviors and unusual, otherworldly appearances. Wildlife biologist Forrest Galante explores stunning kelp forests and ocean depths never-before-seen by humans to study these extraordinary creatures.

Off the coast of Los Angeles, a new population of super makos challenge great whites for their hunting territories. Dr. Craig O'Connell, Fo Zayed, and Kendyl Berna deploy state-of-the-art technology to reveal their dominance and unveil the mysteries that have transformed these makos into some of the fiercest predators in the oceans.