Moss decides to try and work out exactly when Roy will die by using a website on the Internet that calulates time of death based on the answers given to…

The Doctor and Donna find themselves on an icy planet known as the Ood-Sphere. There they discover what drove the Ood to be a servant race.

The Doctor takes Rose on her first voyage through time: to the year five billion, when the Sun is about to expand and swallow the Earth. She is cautious and…