The BFFs see ‘green’ after an accident with a smoothie, ex-special agent Mr Phillips shocks the class as their new maths teacher, while Mr Alan battles with a new role as caretaker.
Headteachers Miss BFF and Miss BFF enjoy their first day, English teacher Mr Dahling unveils his own new book, and Dr Markov has a smashing time with a new invention in technology.
Maths teacher Mr Alan tries to control his number rage, Dr Markov unveils a new invention for cool haircuts, and Mr Dahling tries to teach about stories through the medium of cake.
Mr Kettering’s cake business gets off to a rocky start.
Linda and Miss Aviary cause a stink with their climate clean-up day, Mr Smorgasbord’s globehead goes viral, Dr Markov’s new bin goes berserk, and Scream Beast goes apocalyptic.
It’s an emotional day as Miss BFF and Miss BFF’s friendship is tested, Mr Turtalli and Nancy fall out, while Mr Alan and Mr Phillips settle their differences with a number battle.
Linda cracks down on sweets, Mr Phillips and Mr Alan clash over a flour bomb, Mr Smorgasbord wings it as he stands in for PE, and Mr Gentley’s Scream Beast fuels a sugar frenzy.
With the school closed, Miss BFF and Miss BFF conduct a staffing review, looking back at the best bits of the year to decide which teachers should stay and if any should go.