"Tall, skinny bloke with messy hair sounds like a very generic description for an alien. My cousin Axl has messy hair and is tall and skinny," Olaf offers. "Though, last we checked, not an alien. The jury's out when it comes to his friend, Zeb, though. He's weird." And for Olaf to say someone is weird, he truly and honestly feels that way.

"The Doctor?" he echoes, and feels very blue suddenly, very, very blue. "Doctor who?"