Matt Smith will be staying on for series six and possibly a couple more series after that.
2011.
The new doctor who series six aliens are called The silence! These are not the only new aliens for this series but so far the only ones!
It's been confirmed that she will be returning in series 6 along side Matt Smith.
Yes There Are 14 Because The Christmas Special 2011.
The Doctor's companions in Series 6 are Amy Pond, and Rory Williams.
Doctor Who series 6 will start on the 23rd April 2011, with 'The Impossible Astronaut' :)
that's your opinion but i would say the white shirt doctor variant or the new cybermen.
yes this going to be a series 6 of wild at heart
No, River is a completely new character, her connection to the Doctor will be revealed in series 6.
There is a Christmas special, but there are no more new episodes until series 6 in 2011.
Series 6 is expected to be shown sometime in Spring of 2011.
Steven Moffat confirmed in Doctor Who Confidential that River would be in series 6, and that we will find out who she is.