LAUREL STEPS IN TO HELP OLIVER —  Slabside becomes even more dangerous after a guard is murdered and everyone is a suspect.  Felicity (Emily Bett Rickards) enlists help from a surprising source in her pursuit of Diaz (Kirk Acevedo), and Laurel (Katie Cassidy) flexes her muscles as the District Attorney.  Kristin Windell directed the episode written by Sarah Tarkhoff & Tonya Kong (#706). Original airdate: Monday, November 19th, 2018