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Episode 1 Jacko's dog disrupts the first day of the new school year, and the new Deputy Head imposes his discipline on Mauler and Ted.
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Episode 2 Locko falls for one of Neil Timpson's tricks, and Tegs is still hostile towards Justine.
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Episode 3 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.
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Episode 4 Georgina and her friends get some glamour photos taken. Robbie and Mike get involved in a pub brawl.
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Episode 5 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.
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Episode 6 Ronnie gets involved in an animal rights protest outside a Chemists. Mike and Georgina see Calley with her new boyfriend.
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Episode 7 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.
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Episode 8 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.
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Episode 9 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.
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Episode 10 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.
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Episode 11 A hunger lunch is given and Matthew's home life, in a crowded noisy, flat takes a turn for the worse.
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Episode 12 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.
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Episode 13 Mike runs his race, and confides in Georgina about the fight. Aichaa has a date with Robbie, and Matthew takes drastic action.
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Episode 14 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.
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Episode 15 Justine's reputation is in tatters, Ronnie sees where Calley's boyfriend works, and Robbie and Aichaa get into trouble at a football match.
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Episode 16 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.
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Episode 17 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.
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Episode 18 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.
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Episode 19 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.
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Episode 20 Mike and Robbie go to court, and with the support of the school, and his father, Mike runs his most important race.