Thea Loses Control in Front of Alex on Tonight's All-New 'Arrow'

Thea (Willa Holland) and Alex (Parker Young) look like they have a lot of tension in this still from tonight’s all-new episode of Arrow.

In “Brotherhood,” Team Green Arrow’s ongoing battle with Damien Darhk (Neal McDonough) is complicated by a shocking revelation.

PHOTOS: Check out the latest pics of Willa Holland

Thea’s bloodlust returns and she loses control in front of Alex.

Arrow airs TONIGHT, November 18 @ 8PM on The CW!

Watch a behind-the-scenes video on the show’s stunts below!

15+ Arrow stills inside…