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Barry Timpson is chased round school, Ray's girlfriend (really Kenny's) impresses everyone, Techno falls out with Spanner, and Fran and Maria steal Natasha's diary.
Mr. Robson comes under pressure to allow the girls to play football. The contents of Natasha's lost diary are pinned on the notice board.
Impatient for the school to buy the camcorder, Ray gambles the fifty quid raised so far on Grange Hill winning a five-a-side match against St.Joseph's.
A badminton match brings Maria closer to Richard. Mick and Grimbo do community work, helping an old Polish lady.
Mary becomes a pariah when Julie Corrigan learns that she is a traveller. The girls earn the right to run the tuck shop.
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The camcorder is purchased with money from the advert, Mr. Robson agrees to coach the girls in football, Frank steals a locket, and Maria engineers a visit to a new night club with Richard.
Ray records Kenny's engagement party using the camcorder: with an ex-girlfriend on the loose, and the party food contaminated by Worcester Sauce, it is far from uneventful!
The Polish lady works out that Frank and Graham have taken her locket and they are expelled. Robyn visits the travellers' camp and meets Mary's father.
Natalie finds Fran's photo (planted to convince Richard that Natasha had a boyfriend) and gives it to Natasha who pretends to know him. Then that boy, Fran's cousin, turns up...
The girls vs boys football match takes place, and Robyn goes missing on her birthday.
Robyn is missing, and the police search everywhere, including the travellers' camp. Justine gets a lesson in etiquette from Mr. Brisley.
The mystery of Robyn's disappearance is solved, hostilities between Fran and Maria flare up, and Ray accidentally shows the incriminating engagement party video to Kenny's fiancé, Ruth.
Justine spends the weekend at Luke's impressive house in the country and tries to shake off the memories of Liam. Back home, Ruth has vamoosed and Kenny is heartbroken.
Video equipment is stolen from the Media Room and the finger of suspicion points to Mick and Barry. The person who has been posting copies of Natasha's diary is discovered.
An old friend of Kenny's makes an appearance, Nick finally admits his guilt to Natasha, and the tuck shop sells friendship hearts.
Ruth insists on a church wedding, Lauren again gets the blame for Dudley's joke against Mr. Parrott, and Justine and Ray make a surprising discovery about Mr. Brisley.
Mr. Brisley admits to being gay but gets support in an unexpected way, Mr Parrott gets taken down a peg or two, and Jacko tells his friends that his mother is in a mental institution.
When Kenny and Ruth get married it's an opportunity for Grange Hill to dress up. The staff go nowhere fast while Bevis and Mrs. Mason end up helping the police with their inquiries.