"Knock Out probably has fun everywhere." Hiro pauses at Sam's reproach, having been about to try and climb onto Subzero's head. Thinking better of it, he plops down cross-legged on the Cybertronian's shoulder, patting at the side of his head reassuringly. "Don't worry, I've got great balance. Not gonna fall."

Then, because he thinks about these sorts of things: "So we're the first humans you've met or seen ever? How d'you know we aren't poisonous or feed on metal?" Hiro, stop it.