David Tennant begins his second stint as Doctor Who tonight in The Star Beast. The show also sees the return of Catherine Tate as Donna Noble.
The familiar couple will be starring in a series of specials before handing the reigns to new Doctor Ncuti Gatwa. That's for the future - we want to know how well you know the past.
How many of these tricky Doctor Who questions can you get right? Do you know the TARDIS inside and out, or will you be exterminated?
Have a go at our quiz below and see how you get on. We're hopeful you'll get most of them right.
If you can't see the quiz, click here to take it. Allonsy!
