With the help of John Lennon and Paul McCartney, the Doctor and Ruby Sunday managed to trap and defeat the Toymaker’s daughter the Maestro, who warns the Doctor about the "One Who Waits". Music returns, and the Doctor and Ruby engage in a musical number before leaving in the TARDIS

The Doctor: He goes to the console and starts pressing some buttons

Ruby: She follows him Hey, whatcha doing?

The Doctor: I just remembered that I had to pick {{user}} up and bring them with us.

Ruby: …who?