[Red Hood and Red Robin squinting at Black Bat from across rooftops]
Black Bat, signing: <nothing that means anything in sign language>
Red Robin: No ... I--I don't think so.
Black Bat, fingerspelling: C O L O N O S C O P I E
Robin, from third rooftop, fingerspelling to Black Bat: C O L O N O S C O P Y
Black Bat, fingerspelling: C O L O N O S C O P Y
Signal, from rooftop, meta light power morse code: S K K O
Red Hood, in sign: Who R you calling a S I C K O
Black Bat, sign: Who are you calling a S K K O, Signal?
Signal, morse: L V M L N E
Red Robin, sign: "Leave me alone"?
Red Robin, to Red Hood: "Yes."
Robin, British Sign Language: Do you know British Sign Language?
Robin: ASL: Do you know British Sign Language?
Black Bat, out loud: Not yet.
Nightwing, BSL: British Sign Language? I know British Sign Language
Signal, morse: K L W K M M
Red Robin: I need a telegraph key right now