A guy dressed as a Klingon arrives in the ER and asks if he's going to die. He's told "Not today." On Star Trek, every Klingon's motto is "Today is a good day to die."
Maura Tierney (Abby Lockhart) & Annabella Sciorra (Diana Moore) also worked together on episode 4.5, Waiting for the Knock (2012), of The Good Wife (2009) as Maddie Hayward & Lesli Rand respectively.