Leto turned to follow the Doctor's gesture toward the inside of the blue box. He hadn't seen anything resembling the equipment Oswin'd shown him in his City-issued apartment, but something told him that he hadn't seen quite a bit of what the TARDIS kept inside it.
"Right," Leto said, not really sure he was comfortable leaving someone so new alone. But then, he was relatively new himself. Perhaps he wasn't the best guide, if one thought about it.
"Right," he repeated, straightening. "I don't know Hermione Granger, but I..." He paused at the smirk that came and went over the man's face, and felt like he was missing a piece of a very funny joke. "Good luck to you, then," he said.