The familiar sound of an alarm pierced the manic activity of the console room.  The Doctor slapped a control and stifled a curse as the camera failed again.

"Seems we've been diverted, but only by a localised effect.  The temporal disturbances are centred in that direction."

"Time for a walk then, Professor?" his incendiary companion asked, preempting his reply.

Ace had spent a couple of weeks in 2010 catching up on culture, and what she saw stopped her dead in her tracks.

As always though, the Doctor was unfazed.

"I think it's a young woman called Hermione Granger we want."