Supergirl does battle with the deadly Master Jailer, who is hunting and executing escaped Fort Rozz prisoners. Also, Cat hires a second assistant, Siobhan Smythe, who immediately tries to one-up…

Synopsis Arrow Season4 Episode4 – Laurel must deal with the repercussions of taking Sara to Nanda Parbat. Meanwhile, Oliver asks Captain Lance for a favor and while he’s not surprised…