Home / Series / Shark Week / Aired Order / Season 2014 / Episode 5

Alien Sharks: Return to the Abyss

In Alien Sharks: Return to the Abyss, shark researcher Paul Clerkin heads to the Indian Ocean to investigate the ocean’s darkest depths in search of shark species that scientists never even knew existed and get a glimpse of the last known group of bioluminescent sharks in the world.

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  • Originally Aired August 12, 2014
  • Runtime 45 minutes
  • Content Rating United States of America TV-14
  • Network Discovery
  • Created October 1, 2021 by
    rossini
  • Modified January 31, 2024 by
    maxtherabbit