(11 October 2014)
You're doing it again.
Doing what?
You're smiling.
Yes, I'm smiling.
It's the sad smile. It's a smile but you're sad. It's like two emotions at once. It's like you're malfunctioning.
More from this episode
All quotes from this episode →More Doctor Who quotes · These quotes come from Wikiquote's Doctor Who pages and are available under the Creative Commons Attribution-ShareAlike License.
