So word on a lot of the fan sites is that Jack will be re-joining the Doctor for the final two "Specials" before David Tennant leaves the show and the Doctor regnerates into the newest incarnation.
Then speculation is that Jack will be back fo Torchwood series four and rebuilds the team from scratch. (lots of debate as to whether or not Gwen is part of that or not. Eve Myles has apparently been cast in another show plus she's pregnant in real life as well and wants to take some time off after she has the baby.)
So who knows what the next series will bring. Hopefully it'll be good.
Speaking of the Doctor Who specials, did anyone else see "Planet of the Dead" last night? I thought it was okay, but was just an average Doctor Who episode. If they're only going to do four "specials" this year, at least they could have created really great stories for them. All this one really had going for it was Michelle Ryan playing Lady Cristina de Souza. She has all the makings of a great companion, and yet the Doctor refuses to let her come with him.