Green Beetle tells Blue Beetle to set his sonic cannon to 27 angstroms. Angstroms are a measure of electromagnetic radiation, not sound.
Black Beetle: Any more tricks, meat?
Blue Beetle: Just a few. (fires)
Black Beetle: Ah... nothing like a warm plasma bath to calm the nerves and clean off the tomato stains.
Blue Beetle: You're just toying with us, aren't you?
Black Beetle: What gave me away?
Robin: Form up. If we go down, we go down fighting.
Impulse: I'm betting that sounded way more inspirational in your head.
Green Beetle: For decades the one you call Martian Manhunter has sent communications from your world to ours. television signals. They are quite entertaining.
Robin: All Martians love television.
Green Beetle: Indeed.
Injoke: Green Beetle's real name, B'ars O'ohm, is a play on Barsoom, the native word for the planet Mars in Edgar Rice Burroughs John Carter of Mars novels.
Heroes appearing without dialogue: Conner, Mal, Lagoon Boy