This week, the Society for American Archaeology published an open letter to Netflix and the television production house ITN requesting that they re-classify its new series Ancient Apocalypse as a work of fiction rather than a docuseries.

The show centers around bestselling author Graham Hancock’s meagerly substantiated claims about the existence of Atlantis, presenting them in a deceptive cloak of veracity.

“We urge both Netflix and ITN Productions to add disclaimers to the series that its content is unfounded,” the society wrote. “We also request that Netflix develop a policy that balances such false narratives with the presentation of scientific documentaries and accurate reporting.”

Netflix has not yet addressed to the letter publicly.

Flint Dibble, an archaeology professor at Cardiff University, is also among the growing chorus of experts disputing Hancock’s claims. Ancient Apocalypse became Netflix’s second-most popular title just one week after it dropped, on November 10.

According to Dibble, archaeologists have been aware of Hancock’s work for years—he’s published 16 commercially successful novels on everything from the Ark of the Covenant to Egypt’s sphinxes since 1985. “I wouldn’t say that most archaeologists have read Graham Hancock,” Dibble said. “He ignores all of our evidence.”

Still, Dibble started watching Ancient Apocalypse with an open mind. “My hopes, in many ways, were dashed with the series,” he said. As part of his own studies into pseudo-archaeology, Dibble recently read some of Hancock’s