Series 10 Filming & Behind the Scenes

[A Cousin]

So are the observers upset about who it is or about what they did?

If the theories about Harry's secret being connected to Berlin/Omega turn out to be the case, then

Series 6 Spoiler: show

I suppose Juliet would make sense? She did completely disappear after 6.8.

But, if it is a past character returning, the possibilities boggle the mind!

I suspect KUDOs is toying with us by releasing little spoilers. If they wanted this particular scene to remain a secret, they would have found a way to set the scene in the privacy of a studio. This has the smell of a red herring or a teaser.

As Willy Wonka would say, "The suspense is killing me. I hope it will last!"