"It's a little unusual. I don't often go hopping between dimensions. It's not meant to be that easy to do really..."

There were rules to prevent it, both from the Time Lords but also from the universe itself which tended to keep itself contained through natural, gravitational and interstellar processes. SUPERBIA had to be very powerful indeed.

"It's not insane though surely? You were sent out to discover more about the universe and you've succeeded in ways you never could have imagined!"