DONNA: Phwor. Macrotransmission of a K-filter wavelength blocking Dalek weaponry in a self-replicating energy blindfold matrix.

DOCTOR: How did you work that out? You're-

METACRISIS DOCTOR: Time Lord. Part Time Lord.

DONNA: Part human. Oh, yes. That was a two-way biological metacrisis. Half Doctor, half Donna.

DOCTOR: The Doctor Donna. Just like the Ood said, remember? They saw it coming. The Doctor Donna.