It is 'A Good Man Goes To War', the episode before the mid-series split:)
The next episode is Blink.
The Next Doctor.
the answer to that question is Doctor Who The next doctor
The next episode is The Waters of Mars.
November
The 3rd of April 2010
saturday
The Hungry Earth.
The final episode of series 4 is called Journey's End.
Its stands for Tethered Aerial Release Developed In Style
On Saturday, probably around 6-7.30pm. The last episode was good.
late November early December 2009