MI High - Series 3 - Mind Machine

All the children at St Hope's are mysteriously turning into Japanese fighting fish. The spies must find out how this has happened, whilst keeping an eye out for a SKUL agent. Dr Wallis has been sent to St Hope's to be protected by the spies. He's the inventor of the Mind Machine, a device that turns bad people good. However, the Grand Master has got wind of this device and wants to use it to turn good people bad. The spies must protect Dr Wallis and his Mind Machine from the imminent arrival of a SKUL agent. As if spying isn't hard enough, Ofsted spring a snap inspection on St Hope's. Mr Richter, the inspector arrives. Rose is immediately suspicious of him and insists she accompanies him on the inspection. She thinks he's the SKUL agent. Oscar is concerned that if the school is closed there will be no more MI High. Suddenly Mr Flatley and the kids start acting very strangely. It looks like they've turned into Japanese fighting fish. But how? The machine is under the watchful eye of Frank in HQ. Can someone be operating the Mind Machine remotely? Is it the SKUL agent? The spies race against time to find the SKUL agent and reverse the effects of the Mind Machine before St Hope's is closed down forever.