Leela could not see the world changing around them, but she trusted Oliver's eyes as well as her own instincts. Something - something more than the suns rising in the distance - had changed.

She squeezed his hand in return, thinking of how much time had passed - and how much had changed, both on and off the ship - since she had travelled on the TARDIS.

"Then I will next see you on the Plane," she said, "Be well, Oliver."