Imelda comes to school with some hair dye and a 'hit list'. The newly acquired 6th form building leaves something to be desired.

Mr. Griffiths takes Helen and Ziggy to the donkey sanctuary and lets them into a secret.

Calley and Ronnie use their secret language, Vince shows Hollo a secret room, and Mr. Griffiths prepares for 'Operation Harriet'.

Operation Harriet seems to be successful, but the arrival of the donkey has not gone unnoticed. Radio Grange Hill gains support from the staff.

Roland negotiates with Mr. Griffiths for a larger common room, and more and more people are finding out about Harriet.

Imelda reveals the secret of Harriet to Mrs. McClusky, and Zammo gets back together with Jackie.

Ziggy and Robbie cause chaos while fetching a reel of cable, and Danny Kendall's father visits the school. Imelda lets Harriet loose, and she damages two cars.

Vince and Hollo propose that the bottle day money is put towards helping Danny Kendall, and Radio Grange Hill gets a test run.

Fundraising meetings are held. Imelda gets into a fight with Ronnie and Hollo is surprised to learn that Gonch has been dating Ronnie.

Imelda finally takes her stubbornness too far, Gonch returns, and Jackie decides she'll forgo the barge trip and go with Zammo instead.

It's the day of the barge trip. Who is the shadowy figure lurking in the bushes? Is there enough room on the barge to hold Fred's enormous wardrobe, and ego?

More adventures on the Grand Union Canal, and Ant Jones gets sent home.

Interviews are recorded for the radio. Mrs. Reagan isn't pleased to see her daughter riding pillion on Banksie's motorbike.

Can Ziggy conquer his fear of heights to erect the banner? Jackie comes to school with an engagement ring.

Gonch takes Harriet out for donkey rides in the park, and Cleaver wrecks the secret den.

Banksie changes his mind about his work experience after meeting Lucy and Perry. Harriet the donkey falls sick.

Gonch convinces Trevor that the school is haunted. A teacher-student meeting ends abruptly when all of the students' ideas are summarily rejected.

The 6th form get their exam results, Trevor has a meeting with the 'Grange Hill Ghost' and Ant Jones can't please either his own St Joseph's team or his old Grange Hill friends.

Julia starts spying for her father, and the school handbook continues to be misinterpreted as a protest.

Helen and Georgina bid Harriet farewell, Zammo and Jackie go shopping for wedding outfits, and Fay has an unexpected encounter at the craft fair.

Mrs. McClusky is angry at Mr. Bronson for the rulebook, Danny Kendall's return sparks a new feud with St Joseph, and Trevor finally pushes Mr. Scott too far.

Radio Grange Hill stages a sit-in protest. Jackie and Zammo begin to have second thoughts about their marriage.

Trevor Cleaver gets his comeuppance when he participates in an exorcism of the Grange Hill Ghost.

After the staff versus pupils cricket match, Zammo and Jackie make a surprise announcement.

Misdirecting the new first formers becomes a fun pastime for Grange Hill. A thief is targeting school property. Julia has gone, and Fred wastes no time making advances towards her best friend Laura.

Justine finds that Tegs has been up to no good, but she's in trouble herself for her fancy blouse. There's a surprise in store for Laura when she gets home.

Calley starts reading the bumps on people's heads, Georgina and Helen give each other dares, and Mrs. Reagan's keep fit class has an unseen audience.

Fiona shows Ronnie the Fun House - a hip-hop club and demonstrates her own rap. Gonch starts a P.E. kit service, and Justine rescues Tegs.

Robbie saves Calley from Mauler's amorous advances, but pays for his intervention. Mr. Robson's crash helmet goes missing, and there's a smile on Tegs' face when Mauler gets accused of taking it.

The rap partnership "Fresh and Fly" is born. Matthew's lies about his glamorous lifestyle are becoming increasingly obvious to others.

The Grid Iron gang accidentally soak Mr. Bronson, and Tegs tells Justine about his errant family.

Mauler gets his come-uppance in the French lesson. Mrs. McClusky asks the staff to show some fair-play as regards to thinking every crime has been committed by Tegs.

Gonch's PE Service looks set to involve Calley and Ronnie, as long as they can be persuaded to do the washing.

Danny's back in trouble for arriving late at lessons; Calley takes on the burden of washing sports gear; and Vince's fancying of Helen leads him into the clutches of Mauler's gang.

A fad of wearing fruit badges starts among the first formers. Ronnie and Fiona go to see Wesley about their Hip-hop act, and the PE services becomes even more chaotic.

Laura and her mother hold a dinner party and Fresh and Fly want to enter the Hip-hop competition - but first Gonch has to get them and their equipment to the venue.

Laura finds out the truth about Simon's behaviour at the party, and Matthew's back is revealed to be covered in painful welts.

Tegs takes Justine home, but why doesn't he seem to know where anything is?

Ziggy rounds up a posse to deal with Mauler, but Mr. Griffiths gets in the way. Ronnie is tempted into shoplifting by the success of Calley, Helen and Georgina, and pays the price.

Matthew explains about his drunk and violent father to Mr. Mackenzie. Freddie and Laura orchestrate some passive resistance in football and hockey. Calley and the girls decide to own up about their shoplifting.

Gonch's starts his latest venture, babysitting, with Ziggy, but first he needs to acquire some temporary girlfriends. Helen and Georgina finally tell Mrs. McClusky about their shoplifting.

Robbie finally asks Calley out, but will she turn up? Helen, Calley and Georgina are taken to meet the manager of the shop they stole from.

Ronnie has a nightmare interview with the police. The attempt to get Calley together with Robbie goes wrong, thanks to Trevor and Gonch's crèche idea seems doomed before it can properly begin.

It's "Wear What You Like" day. Mauler's gang have one last chance to get Ziggy before he heads back to Liverpool...

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