Here's the Doctor (David Tennant) and his new assistant Martha Jones (Freema Agyeman). What could they be getting up to in the third series?
It looks like they've got a lot to talk about!
But what's going on here? Could the Doctor have a new love interest in his new assistant?
You'll have to wait and find out! What ever happens it looks like the first programme is action-packed!
A lot of the first episode is set on the moon. The new series of Doctor begins in March.