"You didn't work at UNIT in the 70's," the Doctor said with a disbelieving snort. "Especially if you worked with Captain Yates. Everything was a bit too literal."

A group of hippies swayed nearby. This was the sort of concert that defined the time period. He wondered why he'd never stopped off here before. The mud, most likely.

"So where are you now?" he asked. "Still in Cardiff? Staying firmly away from UNIT London?"