&quot;Firefly&quot; fans are often heard referring to members of the cast, crew and fellow fans who do good as &quot;big damn heroes.&quot; This came from an episode in which Mal and Zoe (Gina Torres) rescue Simon (Sean Maher) and River (Summer Glau) by saying, &quot;Appears we got here just in the nick of time. What does that make us?&quot; &quot;Big damn heroes, sir.&quot; &quot;Ain't we just?&quot;
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