Restoration of the Daleks

Restoration of the Daleks is the twelth episode of the fourth common series. It features the return of the BioTech Daleks.

Synopsis
The Doctor and Amy arrive in London, 1999. But not all is as it seems, and the Doctor sets out to find what it is. But when several Dalek saucers appear above London, the Doctor must stop them, before it's too late. The Daleks soon capture the Doctor and Amy. The Doctor is in for a shock when he finds out who the mastermind behind the invasion is.