Tato série sleduje dobrodružství třídy, která má neobyčejného učitele s neobyčejným tajemstvím. Když se jejich učitel, pan Tajemný, rozruší, promění se v roztomilou, ale zlomyslnou příšerku. Děti musí spolupracovat, aby jeho proměny utajily před bystrou ředitelkou školy. Je to napínavý příběh o přátelství, zodpovědnosti a o tom, jak zvládat neočekávané situace s humorem.
Jake's class have the best teacher in the whole world, Mr Hyde. There's just one teeny, tiny, HUGE problem. Mr Hyde transforms into a naughty creature whenever he becomes upset! Unlike most kids Jake's class are desperate to keep their teacher, so they will have to use all their ingenuity to hide the creature and stop the secret from getting out!
Jake's class is going to Wilf's Wild Adventure Theme Park. But things get MUCH too wild when Mr Hyde gets spooked on the ghost train and transforms into a naughty little creature! Will Jake and his friends be able to work together to track down the creature and get him to change back into Mr Hyde before the truth gets out?
One creature is hard enough to handle. But two? That's double trouble!Jake's class are competing in the Whizz Bang Science Festival and there is just one thing standing between them and success . . . Creature! And Creature's made a friend! With two mischievous little monsters causing havoc, things are about to get explosive!
Something's out of control in the classroom! When Jake's brilliant teacher, Mr Hyde, turns into a naughty little creature at a football tournament, how on earth are he and his friends going to keep his secret? Chaos is bound to kick off when Creature's about!