With a new ally on his team, Oliver engages Diaz in an epic final battle.

Sam and Dean tangle with the God of Time, who sends Dean back to 1944, where he is immediately arrested by none other than the one and only Eliot Ness….

Finding it difficult to mend fences with Tommy and Diggle, Oliver instead focuses on crossing another name off the list. While digging through a crooked accountant’s laptop, Felicity discovers a…