Year 7 take in their surroundings on induction day. Alex and his best mate Ed meet Togger's younger brother Tigger. Mayhem soon erupts when Alex's toy airship gets into the wrong hands. The new gang on the block is the Wannabes - Chloe, Sammy and Andrea. It's not long before Grange Hill's new terrors select their victims. Baz, Abel and Togger attend the last day of footy camp. Excitement goes off the Richter scale when they realise a scout from a football academy is watching. Everyone is out to impress, but it's not long before Togger lands himself in trouble with Mr Malachay and realises that having Tigger at school won't be plain sailing. They discover the scout will be coming back for an official trial - everything's still to play for!
Chloe, Sammy and Andrea come up with a money making scam - to run an underground tuck shop. Mr Malachay is organising a healthy eating campaign so sweets are in demand! Alex encounters Mooey and realises Grange Hill could get tough. He talks to fellow Yr7 Alison for the first time, and realises appearances can be deceptive. Mr Malachay reminds Yr9 there's a French exchange this year. As they write emails to the French students Togger's up to his old tricks, bending the rules to make life easier. Andy and Abel are soon swept up in his scams and entertain themselves using dinner trays to slide toboggan style, but Wally and Mr Malachay are hot on their heels, dishing out detentions. The boys are quick to take revenge by dumping a truck of manure on Malachay's new bike - everything goes to plan until they realise it's not Malachay's bike… it's Baz's!
Chloe pressures a reluctant Sammy to supply sweets for the underground tuck shop scam. Alex finds himself the victim of the other kids pranks and starts to feel out of his depth. Tigger's determined to retrieve a toy the Wannabe's have stolen from Alex - his hunt leads him to discover Sammy's sweet stash. The Wannabe's are furious to discover Tigger's taken the sweets and Chloe is quick to plot revenge. Her plan comes to fruition when Mr Malachay gets involved. Year 9 meet their new form Tutor Miss Adams, but they've only got one thing on their mind - football! Andy fakes injury during the match and Togger's forced to go in goal. His impressive saves lead his team to victory, but he's horrified when Mr Malachay's reward is a permanent position as goalkeeper - how will he impress the scout stuck in goal? Baz warns Togger to clean his bike after Togger's manure prank, but he gets more than he'd bargained for when Togger dumps the bike in the swimming pool. Togger thinks his day couldn
Mr Malachay's raising awareness for the healthy eating campaign with a chocolate bar amnesty. A reluctant Tigger becomes Malachay's right hand man whilst Alex finds himself the centre of unwanted attention when Malachay praises him for taking part. Alex struggles his way through PE but jibes about his weight hurt. He's surprised to find parity with Alison, as she restores a little of his lost confidence. Grange Hill's maths teacher Mr Fox causes a stir with his unorthodox teaching methods and the kids realise you can't judge a book by its cover or a duffer by his dandruff! Meanwhile competition is rife between Abel and Togger as they look forward to the football trials next week. Tanya's undeterred in her attempt to rebel and comes to school with hair extensions. Year 9 look at the French exchange schools website and Tanya falls in love at first sight with 'Jean'. Tanya emails him her blog - she's going all out to get her guy!
Chloe's fuming when Sammy drops the bombshell that her dad caught her stealing his stock for the underground tuckshop. Sammy explains her dad has a business proposition; they'll have to pay him a share of their profits. Despite initial setbacks the tuckshops first day of trading is a success. Alex falls victim to Mooey again, and despite Alison's advice won't get help. Alex finds himself increasingly isolated due to his weight. It is the football trials and Togger and Abel dream of fame and fortune, but their rivalry causes them to clash both on and off the pitch. Tanya's gutted that Jean hasn't emailed and is convinced her blog makes her sound boring. She sets out to make herself more appealing to Jean. The girls make an alarming discovery when they receive an email from one of the French boys.
Ed and Tigger have a moneymaking scam, but Tigger warns Ed not to tell Alex - he has a habit of getting them into trouble. It's Alex's birthday. He mistakes their secretive behaviour as planning for his birthday surprise, and is gutted when he discovers Ed's forgotten. Mooey continues to bully Alex. Togger and Abel settle their differences after the trials, but remain nervous about the outcome. Mr Fox brings an unusual teaching tool into school - a rabbit. When Togger and co. realise they've sent an email to the French kids that suggests Grange Hill is like Hogwarts, Togger sees the perfect opportunity to have some fun. With the help of an unwitting Mr Malachay, green screen and the rabbit, they come up with a plan. Meanwhile Tanya's infatuation with Jean grows when he emails her.
The Wannabe's continue to operate the underground tuck shop, but disaster strikes when Malachay catches the operation red-handed. Alex's weight continues to make his life difficult, and Mr Malachay suggests the mentoring scheme. Will Alex's mentor provide the support he needs? Abel's so thrilled to be told he's got a place at the football academy, he doesn't realise that Togger hasn't until it's too late. Abel doesn't know how to handle the situation as Togger struggles to come to terms with his disappointment. Meanwhile Tanya's obsession for Jean grows, having her hair extensions made longer to impress him.
Tanya continues to go to extremes to impress Jean. When her appearance gets her in trouble again, she rebels. Tanya hijacks the radio station determined to have her say. Mrs Bassinger's furious when Tanya insults her and her staff on air. She's forced to confront Tanya's increasingly defiant behaviour, dishing out the ultimate punishment, a ban from the French exchange and Jean. Togger's still reeling from the shock of not getting into the academy, but finds himself feeling sorry for Tanya. Annie is distraught when she gets a letter from her mother with the news that she's pregnant. Annie has never forgiven her for leaving them and now assumes with a new baby on the way she'll forget them completely. Annie can't understand Baz's offhand attitude - she's determined to make her mother pay. Annie takes drastic action, forging a credit card application in her mum's name.
Year 7 have their first swimming lesson with the notorious Mr McDonnell. Alex is desperate to get out of it, but Tigger can't wait to get in the pool and cause mayhem. Alex finds himself targeted by Mooey and his gang once again, and Alison warns him he must tell someone this time. Alex takes on board her advice, but decides it's time he stuck up for himself. Annie's determined to make her mother pay and activates her forged credit card. She tells Tanya her mum's having a baby, but Tanya's only concern is that Bassinger's banned her from the exchange. Tanya's even more devastated when Jean emails to say he won't be coming to Grange Hill - he's dropped out the exchange, in support of her. All seems lost until Jean tells her he's coming to England, to meet her in secret!
The last day of school before half term is peddle power to the pupils as they take part in 'On Your Bike', a charity bike ride. Sammy and Andrea are surprised Chloe's taking part, but it soon becomes apparent she's got a plan of her own, designed to line her own pockets! Annies spending on the credit card causes Emma to voice concern, but Annie's able to deflect questioning - for now. Tanya annoys her mates when she doesn't turn up for their planned radio broadcast; Annie and Emma are growing increasingly tired of her selfish behaviour and obsession with Jean. Tanya finally arrives but behaves strangely, out of the blue a man comes up behind her, says he is Jean's uncle tells to come with him to show her where he is, all of a sudden he grabs her and throws her in his van, Togger shes her and gets help, Tanya's safe but the man has got away.
Everyone's still coming to terms with the dangerous situation Tanya recently put herself in. Togger's excited the press is calling him a hero, but feels spooked that his mischief making probably saved Tanya's life. Abel's bored of hearing about the rescue - envious that he wasn't involved. The divide between Abel and Togger is made worse when Abel explains the academy won't let him play for the school football team. Tanya returns to Grange Hill, she's vulnerable and it's obvious her ordeal has changed her. Mrs Bassinger breaks the news that Internet privileges have been withdrawn across the school because of Tanya's misuse. Tanya knows this will cause uproar and panics that everyone will blame her. Maddie sparks an unauthorised debate on the radio about the withdrawn Internet access, which leads to discussion about Tanya.
Alex is desperate to get out of swimming but Mr McDonnell is having none of it. Pressure builds on Alex as he struggles through the ordeal, and things go from bad to worse when he goes to get changed and discovers someone's written a cruel message on his shirt.
Everyone was looking forward to the outdoor pursuits trip, but their excitement soon turned to shock when they realised where they'd be staying.
Andy and Togger started off the final day of the outdoor pursuits trip with one of their infamous pranks that upset the girls - especially Tanya. Meanwhile, everyone was gossiping in the girls' dorm, about the fact that someone had been in the showers during the night, but nobody wanted to own up to it.
Miserable after his argument with Alison, Alex started the day strangely detached from life at Grange Hill. His unusual behaviour went largely unnoticed, and the Wannabe's continued to taunt him.
Mrs. Bassinger called every student to the hall, while Alex was on his way to school with his mum. Mrs. Bassinger read some of his diary entries, and talked about bullying in the school.
Tanya was frustrated she hadn't heard from Lucy since she sent an email asking her to meet up. Convinced Lucy could be the key to catching her attacker, Tanya set an ultimatum for Lucy and she agreed to meet Tanya at Grange Hill. As reality set in Tanya realises the risk she's taking - is Lucy genuine? Tanya and Lucy met and shared their experiences but Lucy didn't want to talk any more. When Lucy revealed she knows where their attacker lives, the police turned up. Will she tell them what's happened?
Things were tense between Kathy and Spencer after their misunderstanding the week before, but Spencer breaks the ice and Kathy's relieved that they can still be friends. Meanwhile Karen continued to give Maddie and Taylor the cold shoulder, still struggling to get over her and Taylor's split. Martin mediated the situation, explaining Maddie's motives for the honeytrap. Maddie made a last ditch attempt to win Karen round, but will Karen ever forgive her?