On his first day at Grange Hill, Ziggy asserts his authority over Imelda Davis. Ant Jones gets into an accelerated spiral of trouble with Mr. Bronson while Danny Kendall just goes back home.

Danny Kendall breaks a pipe exposing fibreglass, and Imelda takes some. Zammo tries to cheat in the moustache weighing competition - why does he need the money so badly?

Imelda gets revenge against Ziggy by putting fibreglass down his back and a small fire causes the entire lower school to be closed.

The mystery of Mr. Bronson's plaster is solved. Both Georgina and Ronnie have Ant Jones in their sights, but so does Mr. Bronson for quite a different reason!

Laura and Julia attend Cheryl Webb's party, and Julia has too much to drink. Jackie gives Zammo her £25 savings when she finds he's sold his moped.

Gonch starts up a sandwich selling scheme, Georgina is in trouble with Imelda for seeing Ant Jones and Calley is going to start a fanzine.

Tempers fray as the portacabins fail to arrive. Spending just a few minutes with Georgina causes Ant Jones to get into trouble with both Mr. Bronson and Mr. Baxter.

Imelda is determined to have a slice of the profits from Gonch's toast making business, and Ziggy makes an ill-advised foray into the girls changing room.

Mrs. Reagan asks her daughter and Julia to investigate Louise Webb. Zammo's becoming increasingly desperate for money, and Ziggy's aerial bombardment misses its target.

The temporary classrooms finally arrive. Ziggy's letter from the Duke of Edinburgh Award is spiced up by Gonch.

Robbie and Ziggy are busy collecting chalk ends for the Duke of Edinburgh, while Imelda finds a way to raise money. Ant is in trouble again with Mr Bronson and Georgina tries to cheer him up.

Candidates to edit the fanzine are voted in, and Danny Kendall tries to persuade Ant Jones that an apology to Mr. Bronson would be a good idea.

Robbie takes Ziggy on a quick trip to London, while Laura and Julia plan an all night party.

Julia and Laura's all night party is a disaster, and Roland finds out the truth about Zammo.

Ideas for the school magazine are put forward. Can the school become a smoke-free zone?

Fay arranges a date with Mr. King. Ziggy plays a trick on Imelda at the swimming baths, but it doesn't have the result he expected.

Louise and Cheryl Webb seem destined to go into care. Jane plans a revenge on Ziggy for throwing her clothes in the swimming pool.

Zammo's mother learns of her son's heroin addiction when a number of items are stolen. Roland does well in his French Oral exam, and the truth emerges about Miss Partridge.

The speaking wall seems doomed when spiteful messages about Zammo appear on it. Ziggy and Robbie try to ambush Imelda by using Georgina as bait.

It's examination time at Grange Hill and that brings special problems for Zammo and Fay. Ant has chosen his options, but Mr Bronson has other ideas.

Zammo convinces Jackie he is free of drugs, but then later his mother's cash card goes missing...

Ant Jones is still missing. Danny Kendall's logo design looks set to be immortalised in the new school badge, and Banksie becomes very competitive with Mr. Kennedy.

All problems are put aside for the Fun Run. Steven Banks seems to be the only one taking it seriously, and there's a last chance for Ziggy to get revenge on his nemesis, Imelda.