Oliver, Diggle and Felicity disagree with Dinah, Curtis and Rene on how to handle Black Siren. The two teams face off and a fight ensues. Arrow Season 6, Episode 14 - Collision Course Airdate: Mar 1, 2018
Samanda arrests Oliver for being Green Arrow, and Cayden and Black Siren launch an attack on Thanksgiving. Meanwhile, Curtis' treatment of Diggle backfires, and Oliver wishes that Thea would wake up.
Cayden has Black Siren abduct Quentin to force Arrow to recover and hand over an amplifier. Meanwhile, Oliver discovers that someone on the team has betrayed him to the FBI. Arrow Season 6, Episode 9 - Irreconcilable Differences Airdate: Dec 7, 2017
Despite losing half his team, Oliver remains confident that he, Felicity and Diggle can stop Cayden James and Black Siren. However, when he discovers one of Cayden's secrets, he decides to team up with an unlikely ally.
Black Siren makes a shocking decision. Arrow Season 6, Episode 15 - Doppelgänger Airdate: Mar 8, 2018
After Zoom unleashes an army of Earth-2 meta-humans on Central City, Barry is shaken when he sees their leader is the Black Canary's Earth-2 doppelganger, the Black Siren.
Laurel reverts to her Black Siren ways and teams up with a new partner, Shadow Thief. Dinah puts out an arrest warrant on Laurel, but Felicity isn't convinced her friend is beyond redemption and calls in another friend to help.
Movie: The Vampire Diaries Season 8 Episode 6 (S08E06) - Detoured on Some Random Backwoods Path to Hell
When her children become the focus of the Siren's latest plan, Caroline takes drastic measures to ensure nothing gets in the way of keeping her family safe.