"More than the humans would have liked, probably," Ratchet says, sighing again. "We spent some time stationed there after Megatron tried to annex Manhattan. It didn't go over super well for him and we helped the humans out as much as we could, but eventually nobody was welcome, so we left. I miss them--well, some of them. A few." His eyes light a little and he shifts in his chair eagerly.

"It's how I know as much human medicine as I do--I brushed up, so I could treat Verity and Hunter and Jimmy while we were downside. And because I was curious, I guess. Just a little rusty now, it's been a while."