Doctor Who

Day 5: Black Hole

The TARDIS is out of control and being sucked into a black hole. Help the Doctor use the gravitational energy of asteroids and comets to stop the TARDIS falling into a parallel dimension!

BBC © 2014The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.