Doctor Who (Doctor Who) (2005) (№ 387699)

What? I'm trying to read.
- Miss Clara and her concerns about the snow. I gave her one word.
Is always useless. and what did she say?
Pool.

Quote Explanation: The pool is one of variants of translation of the English word "pond". The previous companion of the Doctor was the name "pond" and in a series of steps appear around the pool. Therefore, there is a double meaning.