The X's

British scientist Peter Brady, while working on an invisibility formula, suffers a tragic accident which turns himself invisible. Unfortunately, there is no antidote, so, while working on a method to regain his visibility, he undertakes missions for his government stopping bad guys.

Mary-Kate and Ashley in Action! is an animated television series by DIC Entertainment, Dualstar, Buena Vista Television and Club Acclaim, featuring the voices and likeness of Mary-Kate and Ashley Olsen. It is also a series of books that spun off, from the show. The show premiered on October 20, 2001 on The Walt Disney Company's One Saturday Morning on The American Broadcasting Company and was cancelled after one season due to poor ratings. Reruns were later shown on Toon Disney.

As part of a deal with an intelligence agency to look for his missing brother, a renegade pilot goes on missions with an advanced battle helicopter.

Danger Man is a British television series which was broadcast between 1960 and 1962, and again between 1964 and 1968. The series featured Patrick McGoohan as secret agent John Drake. Ralph Smart created the programme and wrote many of the scripts. Danger Man was financed by Lew Grade's ITC Entertainment.

Now and Again is an American television series that aired in the US from September 24, 1999 until May 5, 2000 on CBS. The story revolves around the United States government engineering the perfect human body for use in espionage, but not being able to yet perfect the brain. In an attempt to get the project up and running, they take the brain of overweight family man Michael Wiseman, who is killed by a train. Given a new life, Michael is kept in an apartment where he is trained by government experts, led by Dr. Theodore Morris, in the art of espionage. Despite his new life and new abilities, Michael longs to return to his wife Lisa and daughter Heather, who are themselves discovering that not all is as it seems with Michael's death.

La Femme Nikita was a Canadian action/drama television series based on the French film Nikita by Luc Besson. The series was co-produced by Jay Firestone of Fireworks Entertainment and Warner Bros.. It was adapted for television by Joel Surnow. The series was first telecast in North America on the USA Network cable channel on January 13, 1997, and ran for five television seasons—until March 2001. The series was also aired in Canada on the over-the-air CTV Television Network. La Femme Nikita was the highest-rated drama on American basic cable during its first two seasons. It was also distributed in some other countries, and it continues to have a strong cult following.

Agents Napoleon Solo and Illya Kuryakin work for a secret intelligence service working under the auspices of the U.N. Their immediate superior is Mr. Waverly. Together they operate out of a secret base beneath the streets of New York City, and accesses through several cover business such as Del Floria's Tailor Shop and the Masque Club. This secret intelligence service is called U.N.C.L.E. United Network Command for Law and Enforcement.

The Girl from U.N.C.L.E. is an American spy-fi TV series that aired on NBC for one season from September 16, 1966 to April 11, 1967. The series was a spin-off from The Man from U.N.C.L.E. and used the same theme music composed by Jerry Goldsmith, which was rearranged into a slightly different, harder-edged arrangement by Dave Grusin.

Ryan Defrates is arrogant and reckless and always insists on working alone. That is, until the day he's paired with a very unlikely partner... his mom! Deb Defrates is not a spy. She knows more about cutting coupons then cutting down on crime, but her wisdom and kindness somehow always seem to save the day.

The Avengers is a British television series created in the 1960s. It initially focused on Dr. David Keel and his assistant John Steed. Hendry left after the first series and Steed became the main character, partnered with a succession of assistants. His most famous assistants were intelligent, stylish and assertive women: Cathy Gale, Emma Peel and Tara King. Later episodes increasingly incorporated elements of science fiction and fantasy, parody and British eccentricity.

Spy-in-training Lily is desperate to score a passing grade. Eager to prove herself, she leaps at the chance to join the mysterious team Lamplight and beat the Impossible Mission. Too bad the task ahead is even more harrowing than she imagined…

She Spies is an action-adventure television show that ran from September 9, 2002 until May 17, 2004, in two seasons. The show was sold into syndication but the first four episodes premiered on the NBC network, whose syndication arm was one of the producers. Disappointing ratings during the show's second season led to its cancellation after season two ended. She Spies bore noticeable production and directive similarities with Charlie's Angels.

In an alternate world, the Cold War has continued to persist for 140 years. As a result, the world was divided into two factions: the West Block, and the East Block. As the Cold War drags on, the tension between the two factions, as well as the amount of nuclear weapons they have, rise. Mylene Hoffman is a female cyborg who is a spy for the West Block. Together with three other agents, Mylene partakes in various missions issued by her superiors.

A comedic drama about a group of rogue CIA spies in the Office of Disruptive Services (ODS), who combat threats to national security amidst bureaucratic gridlock, rampant incompetence and political infighting.

Five years after leaving the CIA to open a catering company, Steven and Samantha Bloom are recruited back into the agency by Carlton Shaw. They take on special missions the average agent cannot handle. Having made a pact to never discuss their pasts with each other, the Blooms find surprising new things about their spouse in the course of each mission.

The Invisible Man is a Sci-Fi American television series starring Vincent Ventresca, Paul Ben-Victor, Eddie Jones, Shannon Kenny and Michael McCafferty. Somewhat more successful than previous television series involving invisible secret agents, it aired from June 9, 2000 to February 1, 2002, lasting two seasons. The plot revolves around Darien Fawkes, a thief facing life imprisonment who was recruited by a low-rent spy organization and given the power of invisibility via implantation of a special "Quicksilver gland" in his head. The gland allows Fawkes to secrete a light-bending substance called "Quicksilver" from his pores and follicles. The substance quickly coats his skin, hair, nails and clothes and renders him invisible. He can consciously release the Quicksilver, which then flakes off and disintegrates. However, the Quicksilver gland was sabotaged at its creation by scientist Arnaud DeFehrn to release a neurotoxin that accumulates in the bloodstream and causes intense pain, followed by antisocial behavior and psychosis. The host requires regular doses of "counteragent" to keep him sane and healthy, which is controlled by said government agency. This series lasted for two seasons, before being cancelled due to cost issues and internal bickering between the Sci Fi Channel and its then-parent company, USA Networks. The show's first season ran concurrently in first-run syndication as well as on Sci Fi.

Cover Up is an American action/adventure television series that aired for one season on CBS from September 22, 1984 to April 6, 1985. Created by Glen A. Larson, the series stars Jennifer O'Neill, Jon-Erik Hexum, Antony Hamilton, and Richard Anderson.

The adventures of the elite G.I. Joe unit, whose members: Duke, Snake Eyes, Scarlett, Roadblock, Tunnel Rat and Ripcord were charged with crimes they did not commit. In order to clear themselves of the charges, they must expose the real culprits, who belong to the powerful corporation COBRA Industries.

Nikita will stop at nothing to expose and destroy Division, the secret U.S. agency who trained her as a spy and assassin.

Get Smart is an American comedy television series that satirizes the secret agent genre. Created by Mel Brooks with Buck Henry, the show stars Don Adams, Barbara Feldon, and Edward Platt. Henry said they created the show by request of Daniel Melnick, who was a partner, along with Leonard Stern and David Susskind, of the show's production company, Talent Associates, to capitalize on "the two biggest things in the entertainment world today"—James Bond and Inspector Clouseau. Brooks said: "It's an insane combination of James Bond and Mel Brooks comedy." This is the only Mel Brooks production to feature a laugh track. The success of the show eventually spawned the follow-up films The Nude Bomb and Get Smart, Again!, as well as a 1995 revival series and a 2008 film remake. In 2010, TV Guide ranked Get Smart's opening title sequence at No. 2 on its list of TV's Top 10 Credits Sequences, as selected by readers.