Take the Doctor, a sassy new companion, put them on a desert planet with a double decker bus and you got yourself in a whole heap of shenanigans . You also have this week's episode, Planet of the Dead, billed as the 200th story of Doctor Who.
This is the second episode of the David Tennant specials. In the coming weeks we'll have a special send off episode for David Tennant and Russell T. Davies. Let us know what you thought about Tennant's tenure as the Doctor and Davies' run as the head writer and we'll be sure to include your messages in that upcoming episode.