Andrew pauses, giving the Doctor a sort of stricken look. He hadn't really thought about the implications of the Doctor being here -- and the last time they'd ended up in a separate universe, he and the TARDIS had been together. "I'm sorry," he says, but is almost immediately distracted by the alternate topic of conversation.

"Ah," he says, not sure whether to be embarrassed. "James and me. And the dogs, but they're still on the other side. William's still there looking after them, though -- William's our robot."