• CBS series "Scorpion" stars Elyes Gabel as Walter O'Brien, Camille Guaty as Megan O'Brien and Ari Stidham as Sylvester Dodd.

CBS series "Scorpion" stars Elyes Gabel as Walter O'Brien, Camille Guaty as Megan O'Brien and Ari Stidham as Sylvester Dodd. (Photo : Twitter/ScorpionCBS)

Directed by Carey Meyer, "Scorpion" season 2 episode 8 titled "Area 51" will air on Nov. 9, Monday, on CBS. The episode will deal with the mission of Walter O'Brien (Elyes Gabel) to find cure for his sister Megan O'Brien (Camille Guaty.)

Team Scorpion will take a lucrative job for the CIA to locate a top-secret aircraft in the mysterious Area 51 in "Scorpion" season 2 episode 8, Broadway World has learned.

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Walter O'Brien will receive funds that will enable him to advance his research into a cure for his sisterMegan O'Brien, who has multiple sclerosis. This is in exchange for Team Scorpion helping the CIA find the secretly developed airplane in Area 51, according to Los Angeles Times.

Because of the lack of updates on Megan O'Brien's condition, Walter O'Brien will be upset with Sylvester Dodd (Ari Stidham). The two will argue about the proper treatment that Megan O'Brien needs to be getting.

For Walter O'Brien, they need to be as aggressive as possible considering that he can do enough to get his sister through until he gets an influx of funds to help her even more. On the contrary, Sylvester Dodd insists on doing what he thinks Megan O'Brien wants and what is right for her.

Aside from playing Walter O'Brien in "Scorpion," Gabel is set to star in "MI-5," which also stars "Game of Thrones" alum Kit Harington and is set to hit theaters on Dec. 4. Gualty, on the other hand, will star in the upcoming romantic comedy "The Wedding Invitation" opposite Eoin Macken and Eric Edwards. 

"Scorpion" season 2 also stars Robert Patrick, Jadyn Wong, Eddie Kaye Thomas and "American Idol" alum Katharine McPhee, among others.