November
The next episode is Blink.
Friday 6th January.
The Next Doctor.
the answer to that question is Doctor Who The next doctor
Matt Smith is the next Doctor.
The next episode is The Waters of Mars.
The 3rd of April 2010
saturday
13th September 2012 (New Series.) 9pm on Fox. (In the US.)
The Hungry Earth.
The 2009 Christmas Special for Doctor Who has not come out yet but the 2008 Special is called 'The Next Doctor'. Nightmares Reign and The End of Time.
The final episode of series 4 is called Journey's End.