The BBC have released a new preview clip for the second of this year's special episodes of Doctor Who, The Waters of Mars, today and it is now available online. It's approximately fifty three seconds in length and David Tennant stars in the clip as the 10th Doctor meanwhile Lindsay Duncan stars in the clip as Adelaide. As well as being available elsewhere online, the clip can also be viewed in full here on this site below;

You can also view two new promotional pictures for the episode and a promotional trailer for other programmes that are coming to the BBC this Autumn here on Digital Spy. The Waters of Mars is scheduled for transmission in November and it will have an approximate running time of sixty minutes. It will be the second of this year's specials and more information about it and the other two remaining specials will be posted here on this site as soon as it becomes available. What do you think of this newly released preview clip for The Waters of Mars?