We dive into Shelly Island, where Supergirl meets and is trapped by the Children of Liberty. Arrow goes dark and focuses on Oliver/Diaz action packed fight scenes. Legends of Tomorrow travels back to Paris 1928, where they fight a Minotaur and Hank meets his spiritual animal. The Flash takes an emotional turn with Nora trying to save her father's life. Black Lightning takes the cult to a new level and saves the day!