Jack nodded. "If anyone could figure out some sort of test to run by it other than just looking in mirrors all day, it'd be Tosh. I mean... Maybe it was just that one mirror, and maybe it was a one time thing, but. I think we'd both feel better if we figured that out first, don't you?"

Still, Jack sort of wanted to look in the mirrors downstairs. Even if it was a window into an alternate universe and not their own, if there was something they could do about saving Ianto's niece, then they were going to do it. They had to try at least.

"Call Tosh, then," he said to Ianto. "See if she's seen anything on her end? And barring that, if she can get over here and figure anything out as well." He debated cleaning up in the bathroom, but they were probably going to need to analyze that too.