Release Message:  The Doctor and Martha (Freema Agyeman) confront a host of surviving Daleks from the Canary Wharf battle.

Description:  The Doctor and Martha (Freema Agyeman) confront a host of surviving Daleks from the Canary Wharf battle. What are those creatures in the sewers? Who is Solomon? And why are the Cult Of Skaro attempting to create a Dalek/Human hybrid...?