Overview: When she discovers her mum's school grades dropped the year she got her first boyfriend, Lily tries to avoid the same thing happening to her.
Overview: Lily complains Rob is too 'boy' - she finds his boisterousness and burping gross and decides to give him a dose of his own medicine.
Overview: A business studies competition is announced at school, and both Lily and Martha desperately want to be project manager.
Overview: Lily decides her bedroom is babyish and needs a makeover to reflect the fact she is now a sophisticated teen.
Overview: Jas is asked to be a bridesmaid but is worried about being too clumsy. Meanwhile, Mr Salford has to make a presentation.
Overview: Jas transforms the art room into a spaceship to conduct an experiment into how teenage boys deal with being cooped up together.
Overview: Martha starts acting oddly, getting emotional and over-reacting to things. She's horrified to realise that her hormones are kicking in.
Overview: Martha and Ollie throw Cassie and Maxwell off the maths team, desperate not to be outshone as they were last year.
Overview: Lily tells Cassie and Maxwell about Rob's inability to get angry and they resort to hypnosis to cure him.
Overview: Lily worries that Jas is feeling left out. With Ollie and Martha practically a couple as well as her and Rob, she decides Jas needs a boyfriend.
Overview: Lily is delighted when Rob buys her a present for the first time - only it's a horrible bug-shaped brooch!
Overview: When Lily and Martha get the flu, Maxwell and Cassie are roped in to replace them in the school's general knowledge quiz.
Overview: Martha is offered a place at Greatacre, the boarding school her mother once went to, but Ollie and Alfie can't cope with the idea of her leaving.