Watch Arrow Online: Season 6 Episode 9

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Did Black Siren ruin Oliver's official wedding?

That was the big question on Arrow Season 6 Episode 9 when the villain took Quentin Lance and Cayden James used him as a bargaining chip for a weapon of mass destruction.

Oliver and the team had to find a way to locate the two villains while trying to keep the streets of Star City safe. 

The final few moments paved the way for the series' biggest reveal to date. 

Use the video above to watch Arrow online right here via TV Fanatic. 

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Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.