Clara wants to see something awesome, so The Doctor whisks her off to the inhabited rings of the planet Akhaten, where the Festival of Offerings is in full swing.
Something terrifying is hiding in Caliburn House, and The Doctor finds himself part of the ghost hunt.
Hedgewick's World of Wonders is the perfect theme park day out, and ground zero for a deadly silver resurrection.
Shapeshifting Zygons are everywhere in the UK, and there is no way of knowing who to trust. With Unit neutralised, only The Doctor stands in their way. How do you stop a war, and what can The Doctor do to save his friends?