Two friends work together to foil the plans of evil mastermind Goldfist, who plans to create a super-sized pet monster.
When villain Goldfist is caught sending a mysterious shipping container to London ZSL Zoo, the Spy School Cadets must unravel their nemesis's plan.
When the voices of the UK's biggest pop stars turn into high pitched squeals, the Spy School cadets are tasked with discovering what could be causing it.
The world's pollen levels are in danger and there's only one man who could be to blame - supervillain Goldfist.
Evil mastermind Goldfist is behind a cunning plan to interfere with the capital's waterways. Can the Spy School cadets crack the right codes to stop him?
Evil genius Goldfist has taken the nation's favourite drink hostage. Can the Spy School cadets stop him from ruining tea forever? Their mission takes them to 19th century tea clipper, The Cutty Sark.
When evil genius Goldfist takes over the world's internet, the nation is plunged into chaos. The Spy School cadets are led to the London Eye to try and stop him, before it's too late.
Evil Goldfist has found a dangerous way to keep Britain in constant daytime. Can the Spy School cadets' mission at the Greenwich Observatory eclipse his plot?
Goldfist has a new partner in crime creating evil disguises for his henchmen. Can the Spy School cadets identify and stop the creative nuisance in time?
When fellow spy, Agent U, mysteriously goes missing in London's Chinatown, the Spy School cadets are sent to look for her. They soon discover that their nemesis, Goldfist is behind her disappearance.
When the Spy School cadets discover that Goldfist has his eye on war ship HMS Belfast, they fear the worst. Can they stop their arch nemesis and his new henchman before they set sail on a course of destruction?
Arch-nemesis Goldfist has found a new financial backer that would make him unstoppable. Can the Spy School cadets identify Goldfist's new partner in crime?
When an art critic writes a scathing review of Goldfist's paintings, he promises to exact his revenge. Will the Spy School cadets be able to save the critic?
As news of high-profile attempted robberies by some of Britain's top Olympic athletes sweep the nation, the Spy School cadet's mission leads them to the Queen Elizabeth Olympic Park.
When guests start fleeing Hampton Court Palace over sightings of a ghostly figure, Spy School are sent to get to the bottom of the mystery and it isn't long before Goldfist's involvement prove things aren't quite as they seem.
Furious that no celebrities want to be his friend, Goldfist has sent out a press release threatening to take revenge on them. Spy School must race to prevent Goldfist from forming his own army of evil celebrity replicas at Madame Tussauds.
Having not intercepted a single one of Goldfist's upcoming schemes for weeks, Agent J is convinced their nemesis has found a new way to communicate with his evil associates. The trail takes Spy School to Bletchley Park, the home of WW2 code breaking.
With the help of Agent L, the cadets uncover plans for a new underground train, which will provide Goldfist's men with the means to cause mayhem.
A number of dangerous weapons have been stolen from London's Imperial War Museum. When Spy School rumble Goldfist's means of stealing the weapons, his attentions turn to using them on Big Ben. Will the cadets save their HQ?
There has been a breakin at the British Museum and all signs point to Goldfist. Spy School's two latest cadets discover what their arch-nemesis is after; and when they find out explorer Windy Anna Jones is helping him, they know things are serious.
Spy School discover that one of Goldfist's henchmen has assumed the identity of an MP at the Houses of Parliament, and race to identify the imposter.
When Goldfist is forced to move out of London due to the cost of living in the capital, he comes up with a dastardly scheme to make the city a far less appealing place to live.
It is a wondrous day for Spy School as their archenemy, Goldfist has finally been captured. Will he stay locked up in the Tower of London?
Laughter may be a thing of the past if Goldfist's latest scheme succeeds, as he attempts to turn the nation's youngsters into boring slaves.
Agent S is kidnapped by Goldfist, who demands the release two of his most dangerous henchmen in exchange for releasing Agent S. It falls to the cadets to find Agent S, even if that means venturing into the London Dungeons...
The budding spies are called into action against Goldfist at Chelsea Football Club, and uncover a plot with Eden Hazard himself.
Something's not right the general public have decided they adore Goldfist! Spy School discover this is due to the fake news reports he has been transmitting. If Spy School can't put a stop to his transmissions, the world will fall under his spell!
