Doctor Who: The Waters of Mars/The End of Time DVD (2010) David Tennant, Harper Title: Doctor Who: The Waters of Mars/The End of Time Leading Actor: David Tennant Region: Region 2 Duration: 180 mins Format: DVD / Box Set Type: DVD No. of Discs: 3 disc(s) Studio / Publisher: 2 Entertain UK Release Date: 11 Jan 2010 Edition: Box Set The Doctor Who special from autumn 2009, plus the Christmas/ Year specials from the 2009/10 winter holiday period. Episodes are: ‘Waters of Mars’ and ‘The End of Time (Parts 1 and 2)’, which marks the end of David Tennant’s stint in the role of the Doctor.