BBC Press office have confirmed the tenth doctor's appearance in the show they also gave a sort of summary of series three (look away now if you don't want to see the spoilers!)

The series includes 12 weeks of brand new adventures featuring a new alien race, the reptilian Veil and their enemies the Judoon, alongside an extraterrestrial girl that can make people play games against their will.

There will also be a living painting, the inhabitants of a supposedly haunted house, monsters who want to infect Earth with a strangely aggressive weed and a chance for Sarah Jane to find personal happiness with someone who could be the perfect person to complete her family.