Arrow: Thea related spoiler on episode 2x18 "Deathstroke" from E! Online's Kristin Dos Santos

Here's some scoop on Arrow from Kristin Dos Santos' Spoiler Chat column, which was posted on 4/2/14.

Carson: So worried about Thea in tonight's Arrow! Slade is the worst!
Ugh, right?! But that's what makes him such a good villain. "I will say that Thea learns something pretty massive," boss Marc Guggenheim previews of tonight's outing. "And it will cause a tectonic shift in her relationship with Oliver." Uh-oh, sounds like secret daddy issues will be coming to light soon!

Link to the full article:Spoiler Chat: Scoop on Glee, American Horror Story, Teen Wolf, Community and More! | E! Online