Haunting of Villa Diodati

Another long title from Chibnall, this episode is what Captain Jack tried to warn Thirteen about 2 episodes ago.

Thirteen and "the fam" meet Mary Shelly on the night she writes Frankenstein, which is also the night Eight meets her, when he directly influences the story.

Percy Shelly is missing and a Lone Cyberman walks the halls. This is the first appearance of Ashad a half converted Cyberman. Supernatural occurrences are happening at Villa Diodati, "The Fam" must do something.