Well, the Doctor is a little off-balance. And slightly desperate. It's not like he'd ask for help from his other selves - or total strangers. But when Will offers his suggestion, a small smile breaks out.

"I'm used to just knowing things. Or at the very least, having the TARDIS to look things up. So, it's as good a place to start as any, Will Arrowsmith. That lounge place - Ten Forward? I think that might serve our purpose."