All for Nothing - Arrow

ARROW - Thursday, February 1, 2018 at 9 pm on CW50 - OLIVER AND DINAH FACE OFF - Oliver (Stephen Amell) continues his battle with Cayden James (guest star Michael Emerson). Dinah (Juliana Harkavy) and Oliver have a major disagreement that endangers the life of one of their own. Mairzee Almas directed the episode written by Beth Schwartz & Oscar Balderrama (#612).  Original airdate 2/1/2018.