HIS Dark Materials fans went wild when they spotted 'Hot Priest' Andrew Scott in top secret documents on the BBC fantasy show.
The first season of the show is including elements from the second book, The Subtle Knife, including the activities of the villainous Lord Carlo Boreal (Ariyon Bakare).
Boreal crossed over to our world through a hole between the dimensions as he hunted missing explorer Colonel John Parry.
When his researcher pulls up the documents, fans recognised the figure as the Hot Priest from Fleabag.
Fans went crazy when they spotted the actor, who is yet to appear in person in the show.
One person said: "Oh my! Fleabag's Hot Priest is in #HisDarkMaterials @PhilipPullman There IS a God."
Another said: "ALERT HOT PRIEST IS ON HIS DARK MATERIALS".
A third shouted: "HOLY S*** IS ANDREW SCOTT PLAYING JOHN PARRY????"
Fans of the series won't have to worry about things ending any time soon as one of the actors on the show has claimed it will have a life long after they've finished adapting the books.
Clarke Peter, who plays Master of Jordan College Dr Carne, said it will continue its life post-book, much like The Handmaid's Tale.
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He explained to The Mirror: "Oh yes, I think so, I think unlike other stories of fantasia, because of the issues that it is addressing, it could have a very long life."
"There are some big discussions other than just giants and daemons. It has quite specific politics and government politics around the church and state."