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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.

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.

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.

Exposed as an ex-Russian spy, an American single mom must juggle family life and unique shape-shifting skills in a battle against an insidious enemy.

Erica Shepherd is a brilliant former CIA operative, now known as the most notorious traitor in American history serving life in a Supermax prison. Against every fiber of his being but with nowhere else to turn, FBI Agent Will Keaton enlists Shepherd to help track down a fiercely dangerous and elusive criminal she knows all too well. While Shepherd and Keaton have different motivations for bringing the enemy to justice, they both know that to catch a spy… they must think like one.

Following an emotional breakup, tough but tender FBI super-agent Will Chase (codename: “Whiskey Cavalier”) is assigned to work with badass CIA operative Frankie Trowbridge (codename: “Fiery Tribune”). Together, they lead an inter-agency team of flawed, funny and heroic spies who periodically save the world (and each other) while navigating the rocky roads of friendship, romance and office politics.

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.

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.

A group of Soviet spies performs missions of special importance during World War II.

When a father and daughter discover they both secretly work for the CIA, an already dicey undercover mission turns into a dysfunctional family affair.

Follows the offers of the Security and Customs Services at the borders of Spain, which are under the constant threat from drugs, weapons, and suspected terrorists.

The series is about a girl named Momo who attends high school at the city of Sorasaki. However, she is secretly a member of Tsukikage, an intelligence agency that protects people. As a new member of the agency, she works alongside her colleagues including her senior Yuki and friends. Together, they work to establish peace in the city.

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.

The West Wing provides a glimpse into presidential politics in the nation's capital as it tells the stories of the members of a fictional presidential administration. These interesting characters have humor and dedication that touches the heart while the politics that they discuss touch on everyday life.

Rachel Miller and Émile Darcy, married Canadian Security Intelligence Service agents, live a peaceful life with their two daughters. However, everything crumbles for them when a shooting takes place near the American embassy.

A math genius gets recruited by Chinese spy agency to crack a complex coded message in the early republican era.

Spy couple live in their midlife crisis and are controlled by higher authorities based oversea. National security agency is chasing them and higher authorities is pushing them, where can the struggling couple go?

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.

The Agency is a CBS television drama that followed the inner-workings of the CIA. The series was created by Michael Frost Beckner and was executive produced by Michael Frost Beckner, Shaun Cassidy Productions and Radiant Productions in association with Universal Network Television and CBS Productions. It aired from September 27, 2001 until May 17, 2003, lasting two seasons. It featured unprecedented filming from the actual CIA headquarters. The show was controversial regarding its exploration of current international affairs and its treatment of the ethical conflicts inherent in intelligence work. Beckner's pilot script, written in March 2001, posited a re-invented CIA tasked with a "War on Terror" after Osama Bin Laden's Al Qaeda terrorist organization plots a lethal attack on the west. The pilot was to premiere at CIA Headquarters on September 18, 2001 and set to air on CBS September 21, 2001, however, the actual 9/11 attacks convinced the network to hold the pilot and instead air a later episode. That first episode was aired later as the third episode of the first season. The September 11, 2001 terrorist events changed the way Americans viewed topical entertainment and "The Agency", at the time, was one of the most topical offering on network television. The producers of the series quickly responded to this new American perspective on world affairs, but CBS chose to cancel the show shortly after the second season's final episode.