Black Siren (Katie Cassidy) returns in the Arrow episode airing November 2.

The episode is titled “Reversal” Here is the synopsis from TV Guide: “Just as Oliver starts to get things in order, Black Siren launches another attack on the citizens of Star City.”

http://www.youtube.com/watch?v=T50aAKm_ONo

Don’t miss Arrow “Reversal” airing November 2 at 9/8c on The CW.

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