As if in a childhood argument, Sarah Jane scrunched up her face in annoyance. Founded first? Hah. Said who? Some mysterious charmer from the future who she had only just met?

"We've -- UNIT, I mean - has dealt with things other than alien in the past, you know. There was the time a group of scientists were playing around with a time machine. And another with a crazed robot."

She paused. "Wait, dimensional?"