'Teen Wolf' Season 5 spoilers: Sneak peek video teases Theo confronting the Dread Doctors

Cast of TV drama "Teen Wolf" arrives at the 2011 MTV Movie Awards in Los Angeles June 5, 2011. Reuters/Danny Moloshok

“Teen Wolf” Season 5 new character Theo Raeken, played by Cody Christian, has been working with the Dread Doctors without the knowledge of Scott McCall, played by Tyler Posey, and his pack. In the upcoming episode, Theo starts to clash with the Dread Doctors regarding the condition of supernatural creature Hayden Romero, played by Victoria Moroles. “Teen Wolf” Season 5, episode 9 titled “Lies of Omission” will air on Monday night, Aug. 17, at 10/9c on MTV. [Spoiler Alert!]

MTV has released a sneak peek video to tease what will go down in the next episode of “Teen Wolf” Season 5. The said video titled “Theo Angers The Dread Doctors” reveals that Theo and the Dread Doctors do not agree when it comes to the current condition of a chimera named Hayden Romero.

In the previous episode titled “Ouroboros,” Theo rescued Hayden and Liam Dunbar, played by Dylan Sprayberry, to earn the trust of Scott and his pack. However, the Dread Doctors are still determined to carry out their plan for Hayden in the upcoming episode.

Theo tells the Dread Doctors in the sneak peek video that he needs Hayden alive, but he did not reveal the reason why. As for the mysterious masked men, they keep on insisting that Hayden is a failure, which means she must be terminated.

The Dread Doctors’ threat to Scott’s pack will still continue in the next episode. According to the synopsis in a Carter Matt report, the situation will make Scott turn to an unlikely ally for help.

The upcoming episode will also focus on the supernatural identity of Deputy Jordan Parrish (Ryan Kelley), as Stiles Stilinski (Dylan O’Brien) and Lydia Martin (Holland Roden) seek the truth. In the previous episode, Stiles and Lydia found out that Deputy Parrish is responsible for the missing dead bodies of the supernatural creatures.

Lydia also told Stiles in the previous episode that she knows where the young deputy takes the dead bodies. A flashback scene in the fourth episode titled “Condition Terminal” revealed that Deputy Parrish has been placing the dead bodies on the Nemeton.

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Watch the “Teen Wolf ‘Theo Angers The Dread Doctors’ Official Sneak Peek (Episode 9) MTV” video: