Lily is troubled because she's not sure whether she and Matt Furnish are actually going out or not. Jas volunteers to help.

Martha is worried Mr Malone is not up to teaching PSHE classes thoroughly enough and that she will fail the subject.

Jas has fallen in love with the school locusts and is tenderly looking after them.

Lily decides she must kiss Matt to prove they really are boyfriend and girlfriend. Meanwhile, Martha and Ollie research germs.

Head of school council Jade comes up with the idea of a graffiti wall at school, with pupils invited to express themselves on it.

Dressed up as boys for drama, the girls get mistaken for boys. Mrs Griggs is obsessed by a phone app game called Sweetie Swap.

When Mrs Hampton volunteers to help out at the upcoming food festival at school, Lily panics that her mother is going to embarrass her.

Martha and Lily desperately compete to avoid being top of the class as the reward event clashes with their plans.

Traditionally, Martha and Jas have had a joint birthday party. When Jas and her dad suggest 'shaking it up' a bit this year, it leads to some arguments.

When a photo of Martha in the school prospectus is photoshopped, she is outraged. Mrs Griggs's latest obsession is underwater karate.

Jas decides to follow in her dad's footsteps and try out for the junior hockey team. Mr Salford was a legendary goalie in his time at the school.

Mrs Griggs decides that a social skills class could be beneficial for certain pupils - including Martha, Rufus, Cassie and Maxwell.

Martha becomes troubled when she is the only person unable to cry in an emotional assembly. Meanwhile, Matt learns to play the guitar.