Chaos (stylized as CHAOS) is an American comedic drama television series that aired on CBS from April 1, to July 16, 2011, as a mid-season replacement for The Defenders.^[1][2]

Threats to national security are investigated by a group of rogue CIA spies in the division of Clandestine Homeland Administration and Oversight Services (CHAOS), also trying to keep their jobs from being eliminated due to budget cuts. New agent Rick Martinez (Freddy Rodriguez) joins the team as an in-house mole for CIA National Clandestine Service Director H.J. Higgins (Kurtwood Smith). However, Martinez is quickly found out by the ODS (Office of Disruptive Services) team, who "turn" him for their own use.^[3]

• Freddy Rodriguez as CIA Field Agent/Operative Rick Martinez
• Christina Cole as NCS Deputy Director Adele Ferrer
• Carmen Ejogo as Intelligence Officer Fay Carson
• James Murray as Field Agent/Operative Billy Collins
• Tim Blake Nelson as Field Agent/Operative Casey Malick
• Eric Close as Field Agent/Operative Michael Dorset
• Kurtwood Smith as NCS Director H. J. Higgins

In January 2010, CBS ordered production of a pilot written by Tom Spezialy.^[4] Casting announcements began in mid-February, with Freddy Rodriguez being the first actor cast.^[5] Next to come on board were James Murray^[6] and Tim Blake Nelson.^[7] Eric Close joined the cast in early March,^[8][9] followed by Carmen Ejogo.^[10] Finally, Stephen Rea completed the main cast in mid-March.^[11] The pilot was filmed in Los Angeles.^[12]

In late July, CBS announced that it had officially ordered 13 episodes of the series for a mid-season start.^[13][14] Kurtwood Smith joined the cast in November 2010, replacing Rea in the role of Director H.J. Higgins.^[15]

Starting in mid-December 2010, CHAOS film crews were spotted and the actors photographed at various set locations around Vancouver – at the Vancouver Rowing Club, in Gastown, on the rooftop of The Bay, at the Terminal City Iron Works, and at mansions in the Shaughnessy and Point Grey neighborhoods – with these locations standing in for exotic locales around the world.^[16]

On April 15, 2011, the CBS series went on hiatus after 3 episodes due to low ratings.^[17]

After CHAOS was removed from CBS's schedule on April 19, filming on the remaining episodes continued in and around Vancouver until the originally scheduled completion date of May 2.^[18]

For unknown reasons CBS aired the episodes out of chronological order.^[19] The production codes in the episode table reveal the originally intended order.

In Canada, the show was simsubbed on the Global Television Network. In New Zealand, the show had a late-night slot from October 4, 2013 through to the end of December on TV3.