Betrayal(2026)

Follow a dysfunctional team of MI5 agents—and their obnoxious boss, the notorious Jackson Lamb—as they navigate the espionage world's smoke and mirrors to defend England from sinister forces.

The XYY Man is a 1976–77 British crime thriller television series created by Kenneth Royce, based on his novel series about reformed cat burglar William 'Spider' Scott, recruited by British intelligence for secret missions due to his unique genetic makeup (an extra Y chromosome), which supposedly predisposes him to crime. The plot follows his reluctant work for the secret service and his constant pursuit by the dogged Detective Sergeant George Bulman, leading to spin-offs like Strangers and Bulman.

A quirky spy show of the adventures of eccentrically suave British Agent John Steed and his predominantly female partners. Jonathan Steed - an urbane, proper gentleman spy - teams with various assistants throughout the series' run, including Dr. David Keel, Cathy Gale, Emma Peel and Tara King, to repeatedly save the world from diabolical schemes plotted by equally diabolical evil-doers (among them robots and man-eating monsters).

When soldier Shaun Emery's conviction for a murder in Afghanistan is overturned due to flawed video evidence, he returns to life as a free man with his young daughter. But when damning CCTV footage from a night out in London comes to light, Shaun's life takes a shocking turn and he must soon fight for his freedom once again.

Tense drama series about the different challenges faced by the British Security Service as they work against the clock to safeguard the nation. The title is a popular colloquialism for spies, and the series follows the work of a group of MI5 officers based at the service's Thames House headquarters, in a highly secure suite of offices known as The Grid.

"The Game" is a 1970s Cold War spy thriller set in the world of espionage. It tells the story of the invisible war fought by MI5 as it battles to protect the nation from the threats of the Cold War.

More determined than ever to live her life in accordance with her deepest desires, nurse Johanna Gabathuler finds herself embroiled in a spy conspiracy with international implications. There’s a high price to pay and it’s risky to say the least, but she will do anything it takes to find her daughter and, ultimately, secure her freedom.

The stage is set during the 19th century London, in its capital where a wall divides the east and west of the Kingdom of Albion. Five high school girls, who enrolled in the prestigious Queens May Fair School, are involved in spy activities that involve disguise, infiltration, car chase, and more. These girls take advantage of their special abilities and fly around the shadow world.

A British intelligence officer Kate Henderson races against time to uncover a UK politician's potential ties with the Kremlin, risking her reputation and family, as a murder and election loom.

The Aweful Mr Goodall is a six-episode 1974 British television drama produced by Richard Bates and starring Robert Urquhart as Jack Goodall, a retired MI5 agent who investigates various mysteries, often involving smuggling and international intrigue, with help from travel agent Alexandra Winfield.

Samuel, a Russian-born Jewish inventor who specialises in the development of hearing aids, is tasked with a secret mission by MI5 to use his technological expertise to contribute to western Cold War efforts. Following the tensions of the space race and the first hydrogen bomb test, Samuel's efforts factor in to the emergence of the modern world.

The Secret Service is a 1969 British children's espionage television series, produced by Century 21 / ITC Entertainment for Associated Television, Granada Television, and Southern Television. Created by Gerry and Sylvia Anderson, and produced by David Lane and Reg Hill, it was the eighth and final Century 21 production to feature Supermarionation. Under the direction of Gerry Anderson, who wanted to compensate for the inadequacies of Supermarionation and increase the realism of the format, The Secret Service incorporates footage of live actors for long-distance shots. Father Stanley Unwin, voiced by and resembling the real-life comedian of the same name, is the parish priest of a rural English village. But Unwin is in fact a secret agent for BISHOP, a covert British Intelligence branch that battles international criminal and terrorist threats. Aided by junior operative Matthew Harding, Unwin answers to his London-based superior 'The Bishop', as he would in his public profession.

The life of British MI6 spy Magnus Pym, from his school days to his mysterious disappearance.

A British spy helps a Russian scientist to defect from the Soviet Union by taking a perilous journey through the Eastern Bloc.

Mr. Palfrey is a mild-mannered, but highly skilled counter-espionage agent employed by a small, unnamed department within British intelligence. He and his team tackle complex cases, often involving government cover-ups and internal affairs.

Amidst the thaw of glasnost, the Kremlin discovers that two Soviet agents, sent to England under deep cover in 1965, have been "lost." A beautiful and ambitious Russian agent, sent to London to track them down, becomes embroiled in a tangle of CIA, KGB and MI-5 plots and counter-plots as the two lost agents, now utterly assimilated, try to avoid detection.

When an underachieving single father inadvertently becomes an MI5 agent, he must keep his government job a secret while battling his ex-wife for custody of their precocious son.

Actor and British national treasure Sir David Jason travels around the UK and beyond to reveal the secret places and people who act as guardians and gatekeepers of the incredible but true story of Britain’s spy history.

Betray your country, save the world. Spies and traitors play a dangerous game in the 1980s as the Cold War brings two superpowers to the brink of nuclear war.