Jacko's dog disrupts the first day of the new school year, and the new Deputy Head imposes his discipline on Mauler and Ted.
Locko falls for one of Neil Timpson's tricks, and Tegs is still hostile towards Justine.
Mr. Hargreaves continues to drive other staff mad, Georgina gets nowhere fast with Mike Bentley, and Mrs. Monroe teaches the first formers a song in Latin.
Georgina and her friends get some glamour photos taken. Robbie and Mike get involved in a pub brawl.
The Third Formers take a trip to the canal. Tegs and Matthew do a spot of breaking and entering and Mrs. Monroe gets locked in a cupboard.
Ronnie gets involved in an animal rights protest outside a Chemists. Mike and Georgina see Calley with her new boyfriend.
Aichaa discovers that a photo of herself will be published in a magazine. A new playground craze is brought to an early end by Mr. Robson's sports net.
Ronnie attempts to stop rat dissection at St. Mary's, Mauler sells Mr. Hargreaves's photo frame, and Neil Timpson's "video nasty" gets him into trouble.
Neil Timpson's revenge on the T-Shirt girls might just be more deadly than he intended. Mike finds a newspaper report about the pub brawl.
Aicha and Georgina go to a modelling agency, the photo and the frame come back to Grange Hill, and Tegs goes home to his real mother.
A hunger lunch is given and Matthew's home life, in a crowded noisy, flat takes a turn for the worse.
Mike decides to drop out of the athletic trials to avoid publicity. The first formers make Chilli Con Carne to sell as an alternative to the hunger lunches. English
Mike runs his race, and confides in Georgina about the fight. Aichaa has a date with Robbie, and Matthew takes drastic action.
Matthew's arson attempt only results in his family moving to another dingy hotel. The t-shirt business is terminated, and Jacko's dog is found.
Justine's reputation is in tatters, Ronnie sees where Calley's boyfriend works, and Robbie and Aichaa get into trouble at a football match.
Mr. Hankin calls on his Aunt Camelia to demonstrate acoustics, and at night Calley uses her boyfriend's electronic card to get Ronnie into the laboratory.
Calley, Ronnie and Georgina are allowed to leave the lab. Georgina's first modelling assignments are disastrous. Neil Timpson's monkeying around gets him into trouble.
Alice and Becky spend the morning at the health club, Matthew has his court appearance, and Robbie decides to tell the police what happened at the pub.
Neil Timpson gets taught a lesson. Rod's time as a caretaker comes to a sudden end, and Mr. Robson arranges a surprise for the disillusioned Mike.
Mike and Robbie go to court, and with the support of the school, and his father, Mike runs his most important race.