Yes, he has signed up for series 5 which will be shown in 2010. There won't be any series in 2009 as he is taking time out to tour with the Royal Shakespear Company. There are rumours that he will regenerate into a new doctor near the end of series 5 though, which I hope isn't true :)
however long he wants to be (hopefully forever!) While that would've been nice, he's only staying for three seasons and a few specials in 2009.
David Tennant was in three full seasons (seasons 2, 3 and 4) plus one year of 'Specials'
Apparently he joins Matt smith in 2013 for Doctor Who's 50th anniversary for a special timey wimey episode!
No, he is the tenth doctor in the series of doctor who.
Matt Smith will be playing the New Doctor after David Tennant.
No.
No David left the show over a year ago.
he wears a brown coat and trousers
David Tennant played the Doctor from 2005 to 2010.
David Tennant is The 10th Doctor in Doctor Who.
No, he is the tenth doctor in the series of doctor who.
David Tennant is famous for acting in Doctor Who
Yes!
matt smith
David Tennant will be replaced by Matt SmithMatt Smith is the new Doctor Who.
Matt Smith will be playing the New Doctor after David Tennant.
He did three seasons but he started in 2005 (christmas) and ended 2010 :D
David has been The Doctor for three series; two, three and four.
The West Wing, and Doctor Who.
No.