"She must have come through the Rift," says Ianto, "and I found her soon afterwards and lured her into a warehouse with chocolate."

He presses a button and several large--food items, let's just leave it at that--tumble into the trough. "We have quite a few creatures to feed--automation is the only way to do it.

"So then Jack had a tranquilizer dart, so we ... tranquilized her, got her back here, and ... kept her." He's leaving out a great many parts of the story, but Sam doesn't need to know about fifty-first century pheromones.

He covers Myfanwy's food with a liberal dose of the barbecue sauce, and murmurs, "You're a good girl, yes, eat up," as she starts nosing her food.