He had been juggling with a number of the intricate dials on the banks of instruments that ranged across the TARDIS’s control console, making calculations, adjusting a multi-computer, and coming to conclusions that brought a dry smile to his time-weathered features. ‘It’s not always I can predict with such accuracy exactly where we are in time and space, there are often too many extraneous factors, but I think I can safely say just exactly where and when we shall materialise.’ He waved a batch of print-outs towards his two young companions. There was no point Steven or Dodo trying to check them, they were far too complicated for them to understand. ‘All right. You tell us,’ said Steven. ‘We are at a very distant point of time,’ said the Doctor confidently. ‘And at an age of great advancement, peace and prosperity.’ ‘Oh, good,’ said Dodo. ‘So this will be a quiet trip?’ ‘More than likely,’ nodded the Doctor. They recognised the change in rhythm as the TARDIS began to materialise.