Four days prior the invasion, Aang becomes nervous over his soon-to-come confrontation with the Fire Lord. His anxiety gets the better of him as he begins to suffer from outrageous nightmares and hallucinations. Meanwhile, Zuko becomes upset to learn that he was not informed about a war meeting.

After Martha says goodbye to the Doctor and leaves, he is surprised to find a problem with the TARDIS. Suddenly, a man materializes - the Fifth Doctor. But why's he here, and what's happened to the TARDIS?

This episode of Stephen Fry's Quite Interesting quiz involves Alan Davies, Charlie Higson, Phill Jupitus and Sean Lock being asked to answer interesting questions about England.