The episode hasn't even been transmitted it, but it has been revealed that the DVD Release date for Planet of the Dead is May 11th 2009. Starring David Tennant and Michelle Ryan as Lady Christina de Souza, Planet of the Dead involves a double decker bus taking a sudden journey into danger... The special is written by Russell T Davies and Gareth Roberts so it's guaranteed to be good!
The episode is expected to be shown during Easter, which is only a month away! However, there is then a gigantic gap until the next special which has been confirmed to be showing at Christmas 2009, and filming is currently taking place.