Children's spy drama. The UK is hit by a massive earthquake. Seismologist Professor Quakermass encourages Rose, Oscar and Carrie to investigate, and they uncover a plot. Show more
Children's spy drama. Mrs King's memory wipe is failing, so Frank and the spies develop a strategy to help Mrs King forget once and for all. Show more
Children's spy drama. Jade Dixon Halliday has sent an urgent plea for help. Her cover is blown within SKUL and she needs to be broken out. Oscar is incredulous. Show more
Children's spy drama. The spies break into MI9 and steal important information, only it is not really them but robots that look identical to Rose, Carrie and Oscar. Show more
Children's spy drama. The spies receive some intelligence about demanding filmmaker Lars Von Tripod: every time he makes a film a valuable artefact is stolen. Show more
Children's spy drama. The team accidentally switch on a vacuum capable of creating a black hole. Will they manage to disable the machine before the whole world implodes? Show more
Children's spy drama. Mr Flatley stands to inherit a fortune until he receives a ransom letter threatening to blow up the school unless he turns the money down. Show more
Children's spy drama. An archaeological dig comes to St Hope's to investigate the mysterious disappearance of a Roman legion, and gets worryingly close to HQ. Show more
Children's spy drama. Notorious criminal Beryl 'the Beefcake' Bagshot escapes from prison, ready to reunite her gang for a big heist. Show more
Children's spy drama. When a mysterious attacker threatens the launch of a new fitness device at St Hope's, investigations lead to a local dance school! Show more
Children's spy drama. When the world's most deadly poison is stolen from MI9, the spies suspect it is connected to eccentric puzzle maker Quillian Pendrix. Show more
Children's spy drama. MI9 are on high alert when they learn that an enemy spy has stolen a jacket enabling him to look exactly like a school pupil. Show more
Children's spy drama. The old M.I High team have graduated and spy handler, Frank London, is looking for a new bunch of young secret agents. Show more
Alice seems to be comfortably bedding in with out-of-work writer Douglas McVitie, in every sense. But is she ready for the pair to share an answering machine message? Show more
Children's spy drama. The spies have a vital mission - they must protect a ship carrying the last component required to make a nuclear bomb. Show more
Children's spy drama. The country's power is being stolen. The spies must find the culprit and restore the power before the UK is plunged into darkness. Show more
Children's spy drama. The spies are set up as freelance international security experts when a government worker comes to them for help. Show more
Children's spy drama. The Korps apocalypse is nigh and in a matter of hours the PM is due to sign over power to the deputy prime minister, Evelyn Baxter. Show more
Children's spy drama. When clairvoyant Derren Beige is kidnapped by KORPS, the spies must race against the clock to decipher the mystery of his ability. Show more
Children's spy drama. A dangerous and revolutionary new sugar substitute, Cupodium, is released into the food supply. The spies must find the antidote. Show more