AL smiles at the pat. "His name is Peter Capaldi." She rummages around hammerspace for a picture. "He's actually been in the show before...in one of Ten's episodes."

"Donna and I saved he and his family from Vesuvius."

"It's his only black mark in the alter ego's eyes...being in the show already. He was also in the spinoff."

"Playing a bad guy," says Jack.

"But the alter ego doesn't remember much about it since it's been so long and she isn't going to rewatch anytime soon. And, um, if you've heard of the movie World War Z, he was in that. Playing a doctor in the World Health Organization."

Eleven grins. "So he was a W.H.O. Doctor."