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Secrets of the Deep

Liz joins a team of scientists aboard a deep-sea submersible in search of an elusive ocean giant - the sunfish. She discovers how El Nino has effected the sea-lion population and helps with the tagging and tracking of hammerhead sharks.

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  • Originally Aired April 6, 2017
  • Runtime 60 minutes
  • Network BBC One
  • On Other Sites IMDB
  • Created April 14, 2017 by
    Administrator admin
  • Modified January 30, 2023 by
    kodiuser