Finally, finally, Ford realizes that there's a bit more behind the incredulity in Robby's tone. He blinks and flips his journal closed again, and all of his focus is finally properly on Robby. Some things that definitely should have registered a moment ago, like the fact that the Sleeper robes are in fact Sleeper robes and not some interesting fashion choice, finally click into place.

"Wait - you've only just arrived here?"

That's not really a problem, exactly, but for him to be so new that he's baffled by the idea of sharks with legs is a little concerning.