Freddie gets in trouble with Mr Kennedy for putting his clothes in one of only two toilets on the boys' boat.
George suggests Julie should contact Freddie after everyone's asleep – but they don't have a Morse Code machine.
Gonch, Ziggy, Rob and Trevor end up having to set up an Army survival tent after crashing their boat on the side of the canal.
Ziggy insists on climbing up the school to Rob to raise money for the Danny Kendall Fund.
Freddie tries to interview Mrs McClusky for the launch of the Grange Hill radio station.
Zammo isn't happy that Jackie wants to wear her engagement ring to school.
Fay ends the week's show by announcing the engagement of Jackie and Zammo – only for it to emerge that neither of them had told their parents.
In Harriet's stable, Rob says to Ziggy how unhappy he is that her sister is marrying Zammo the "pig".
Ziggy plays football for the Grange Hill team against St. Jo's where he is tackled and injured by Ant Jones.
Harriet appears to be suffering food poisoning due to eating unsuitable plants.
Mr Scott's class cause havoc, defying his attempts to put all latecomers in detention.
A meeting between students and teachers to discuss reports cards only leads to deeper resentment.
Freddie reads directly from the staff handbook, causing Mr Bronson much annoyance.
At another football match, Ant Jones' team from St. Jo's accuse him of playing for the advantage of his former Grange Hill friends.