The BBC announced today that Freema Agyeman as Martha Jones will not only have an important role in the next series of WHO she will appear in three episodes of Torchwood series 2. You can read the BBC press release here.
Hmm I think the whole 'no-crossovers' philosophy just flew out the window. Welcome aboard Martha, maybe you can help get things in tip-top shape at the Hub. Bring your own stopwatch.