Children's spy drama. Two new spies join the team. Famous monuments are being covered in politically provocative graffiti. Can the spies stop the perpetrator in time? Show more
Children's spy drama. A mystery tunneller is robbing all the banks in the country, and the team must calculate where he will strike next before it is too late. Show more
Children's spy drama. The spies must find out why children at St Hope's are turning into Japanese fighting fish, and protect Dr Wallis, inventor of a mind machine. Show more
Children's spy drama. An old enemy of Frank's breaks out of jail bent on revenge. He's coming to steal Frank's invention, the Dark Star. Can the team stop him? Show more
Children's spy drama. The children of St Hope's are getting fatter and fatter because of the addictive, greasy sausages handed out free by Lubavitz. Show more
Children's spy drama. When the cleverest couple in Britain are kidnapped, the spies are left looking after their baby, who may hold the key to finding them. 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. 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. After signing a peace treaty, the Grand Master stands for election as the country's next prime minister. The spies are ordered to smear his campaign. Show more
Children's spy drama. When Rose, Carrie and Oscar are captured by the Grandmistress, Frank is determined to rescue them and turns three more pupils into MI9 agents. Show more
Children's spy drama. Both Rose and Oscar begin to see strange sights and a mysterious figure after Bodleian, the world's first artificial intelligence is destroyed by SKUL. Show more
Children's spy drama. During an eclipse, the Grand Master hypnotises the nation and puts everyone under his control. Can Oscar and Carrie reverse the hypnosis? 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. MI9 send a mysterious coma patient to St Hope's while they wait for a vaccine, but a team of deadly SKUL ninjas are already on his tail. Show more
Children's spy drama. The Grand Master has built a super weapon with only one missing component, an ancient treasure called the Crystal of St Helena. Show more
Children's spy drama. The pupils of St Hope's are horrified when a new slang prevention system forces them all to speak politely. 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 spies discover the existence of a SKUL school they send Oscar on an undercover mission. 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