[He turns his head towards Batman, but he doesn't say anything. Privately, though, he'll make sure to be wary of any suggestions put forth by the Joker. He's just as likely to send them all to their deaths than help them get free, if he finds it funny enough.]

I don't think there's a lot longer before lockdown, we should settle in.

[He's not awkward about there being a prisoner, he's guarded people before.]

One of us should always be awake, and by us, I mean Batman and I.