'Arrow' Season 4 Episode 22 SPOILERS: Oliver Queen Takes On Thea Queen In "Lost In The Flood"? [VIDEO]

The latest episode of "Arrow" Season 4 may have proven that Emily Bett Rickards' Felicity Smoak and Tom Amandes' Noah Kuttler can work together to save the world from Damian Darhk. Unfortunately, things are not looking good for the Queens. The teaser for "Arrow" Season 4 Episode 22 reveals that Thea Queen (Willa Holland) has been taken and she could fight against her own brother Oliver Queen (Stephen Amell)!

"Monument Point" Recap

In "Arrow" Season 4 Episode 21 (via ComicBook), Felicity Smoak had to team up with her father The Calculator in an effort to prevent nuclear strikes across the country. While Team Arrow is busy trying to stop Damian Darhk's plans, Oliver Queen's sister Thea Queen tells Malcolm Merlyn that she wants to see Alex.

However, things don't go smoothly as Lonnie attacks Alex and Thea ends up fighting with Lonnie. By the end of "Monument Point," Oliver Queen and John Diggle discover Damian Darhk's secret.

Best line in tonight episode goes to Lyla #Arrow pic.twitter.com/2USAdT1D5F

— sharon (@sharona_v7) May 12, 2016

Trouble In The "Flood"

The trailer for the "Arrow" Season 4 episode "Lost in the Flood" opens with Oliver Queen stating that he can't contact Thea Queen. It is then revealed that Thea has been taken and Malcolm Merlyn grimly states, "Oliver Queen is coming for his baby sister."

Although Oliver Queen and John Diggle find Thea Queen, it looks like she will go with her brother that easily. Thea attacks Oliver with a threat: "Move, and I will kill you." It certainly looks like things are not going as planned for Oliver Queen in "Arrow" Season 4.

What has happened to Thea Queen in the Ark? Will she try to kill her own brother Oliver Queen? Can Team Arrow finally defeat Damian Darhk with the help of Noah Kuttler? The events in "Arrow" Season 4 Episode 21 will continue in "Lost in the Flood," which will air on The CW on May 18.