: Characters like Dr. Paul Robertson, portrayed as whistleblowers, were actually played by actors.

The program was a "docufiction" or mockumentary produced by as a sequel to Mermaids: The Body Found . It used a blend of real-world phenomena and fabricated narratives to create a persuasive story:

While the storytelling in was convincing enough to break ratings records, the "evidence" it presented was entirely fictional.

The program included a brief disclaimer in the end credits identifying it as a work of fiction, though critics argued it was too brief and easily missed by viewers.

Text Link
Mermaids: The New Evidence