"I have," the Doctor said blithely, even as he offered Romana his arm so they could start down the sidewalk together toward the Welcome Center. "A few times, actually. Not always on purpose. It's not so bad. At least we aren't in the 1940s. Or the 1980s.
"I honestly don't know much more about what's going on," he continued. "People are being pulled out of their proper timelines and places, of course, but why or how or by whom or what I couldn't say."