Barry can't lie, it was Derek's handsome face that caught his attention, but it had been his beautiful, expressive eyes that made Barry slip off the stage to find him. Turned directly on him now, they're just as impressive, green and gentle despite the wonders coming out of Derek's mouth.

"You can smell emotions," says Barry, fascinated. "Pheromones I'm guessing, and you can hear an entire half a mile? We'd have been a good team up at home - you could hear the trouble, and I could be there in seconds. I heal fast, too," Barry adds.

"Definitely not my favorite power to use, but without it I'd be dead a few dozen times over."