Just in: previews of the forthcoming second series were shown at the tail end of "The Christmas Invasion" this evening on BBC1, including quick views of Sarah Jane Smith, the Cybermen, the cat people, Queen Victoria and other early season episodes. UPDATE: The official Doctor Who website has now posted the trailer shown at the end of the story!
The official site has also now posted a commentary track to go along with "The Christmas Invasion", an audio track featuring executive producers Russell T Davies and Julie Gardner and producer Phil Collinson, along with new pictures and video clips. You can check them out now at the official site.
We're also told that many users are currently having problems accessingAttack of the Graske, possibly due to an overwhelming amount of interest in the 'interactive' episode. Those of you with red buttons, keep trying!