Sulu grinned bashfully and nodded in understanding. He wasn't one to lead tours around his hometown, really, but he knew how it could feel to be in one place for so long that you knew where everything was. It wasn't always bad, but sometimes you needed... something more. Which had been why he'd joined Starfleet, and it was why he was here in 21st century Cardiff now. Though he knew Ianto really didn't think Cardiff was anything special.

"We can probably go anywhere, you know," he said, smiling. "All we have to do is find a world-hopper. Merlin could help us, you know? And we could go anywhere you wanted in the world, really. In both our universes, really."