S4·E9 Dark Waters
Aired December 9, 2015
Synopsis
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.
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Frequently Asked Questions
When did Season 4 Episode 9 of Arrow air?
Season 4, Episode 9 ('Dark Waters') originally aired on December 9, 2015.
How long is Season 4 Episode 9 ('Dark Waters')?
The episode follows the standard broadcast runtime for Arrow.
What happens in 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....