She was shown to be eager to please the doctor and admires him and he hints he might consider making her a companion, but she was disintegrated by Missy/The Mistress in the Series 8 finale.
She was shown to be eager to please the Doctor and admires him. The Twelfth Doctor hints that he might consider making her a companion, but she was disintegrated by Missy/The Mistress in the Series 8 finale.