Sam loves facts. He wants to know about UFOs and horror movies and airships and ghosts and scientists, and how it feels to kiss a girl. And because he has leukemia he wants to know the facts about dying. Sam needs answers to the questions nobody will answer.
The Doctor is a Time Lord: a 900 year old alien with 2 hearts, part of a gifted civilization who mastered time travel. The Doctor saves planets for a living—more of a hobby actually, and the Doctor's very, very good at it.
An unknown swarm of creatures visit a quiet street in North London. The residents managed to capture the footage on their mobile phones. This film is the footage that was found.
