DOCTOR: Here she is.

ROSE: She's an egg?

DOCTOR: Regressed to her childhood.

JACK: She's an egg?

DOCTOR: She can start again. Live her life from scratch. If we take her home, give her to a different family, tell them to bring her up properly, she might be all right!

JACK: Or she might be worse.

DOCTOR: That's her choice.

ROSE: She's an egg.

DOCTOR: She's an egg.