The official synopsis for Planet for the Dead can be seen below:
When a London bus takes a detour to an alien world, the Doctor must join forces with the extraordinary Lady Christina, in this one-off seasonal special. But the mysterious planet holds terrifying secrets, hidden in the sand. And time is running out, as the deadly Swarm gets closer.
Planet Of The Dead features David Tennant as the Doctor, Michelle Ryan as Lady Christina and Lee Evans as Malcolm and is written by Russell T Davies and Gareth Roberts...
The episode will be shown on Easter Saturday, otherwise known as Saturday 11th April. Only just over 2 weeks till some Whoness!