Dark Waters
Arrow · Season 4 · Episode 9
After the city is attacked again, Oliver makes a bold move against HIVE. Malcolm checks in on Thea and leaves her with a warning. Things take a horrible turn when Damien Darhk retaliates in a brutal manner at Oliver's mayoral holiday party.
Season 4
- Episode 1 · Green Arrow
- Episode 2 · The Candidate
- Episode 3 · Restoration
- Episode 4 · Beyond Redemption
- Episode 5 · Haunted
- Episode 6 · Lost Souls
- Episode 7 · Brotherhood
- Episode 8 · Legends of Yesterday (II)
- Episode 9 · Dark Waters
- Episode 10 · Blood Debts
- Episode 11 · A.W.O.L.
- Episode 12 · Unchained
- Episode 13 · Sins of the Father
- Episode 14 · Code of Silence
- Episode 15 · Taken
- Episode 16 · Broken Hearts
- Episode 17 · Beacon of Hope
- Episode 18 · Eleven-Fifty-Nine
- Episode 19 · Canary Cry
- Episode 20 · Genesis
- Episode 21 · Monument Point
- Episode 22 · Lost in the Flood
- Episode 23 · Schism