Mars, 2059. Bowie Base One. Last recorded message: 'Don't drink the water. Don't even touch it. Not one drop.' Starring David Tennant as The Doctor and guest starring acclaimed British stage and screen actress Lindsay Duncan, The Waters Of Mars is the second Doctor Who special to be screened this year. The Time Lord is caught in a terrifying situation when he visits one of the fixed points in time and space, the disaster that hit Mars in 2059. As he tries to come to terms with the prophecy that his present incarnation is soon to die, he starts to consider the possibility of altering the fundamental rules of time and space - with the support of strong-minded commander Adelaide. Starring David Tennant, with Lindsay Duncan and Peter O'Brien. Fans of Top Gear will no doubt already know that the new series starts at 9.00pm. on BBC2.