With a little help from Jack, the Doctor begins searching for a way to get Rose back. As the words Bad Wolf appear more and more, both worry something is very wrong in the universe, especially when the stars are going out.

A TARDIS, one with a working chameleon circuit lands in Cardiff following a massive earthquake. Jack calls the Doctor for help. After all there is only one remaining Time Lord, so who's TARDIS is in Roahl Dahl Plass?

The Moment gives the Doctor one last reason to save Gallifrey.