There's a surprise for Robyn as Mr. Parrott returns to school. While the Grease show is performed, Mrs. Maguire's baby is delivered by Dennis and Lucy in the loos.

'Stewpot' Stewart falls foul of the dreaded PE teacher, Mr Hicks.

Tommy Watson has left it too late for the trip to France. Or has he?

Kevin accidentally shoots Sarah-Jane with the air gun. He doesn't tell the police whose gun it really is. Jessica goes to collect the results of her blood test.

Mr. Parrott's late night casino visits are taking their toll on both his finances and his appearance. The Anti-bullying counselling starts and Lauren's first customer is Poppy.

Robyn's spends the evening at a casino and then spends the night on Mr. Parrott's sofa bed. Chris talks to his parents about his religious doubts, but Anna makes a surprise visit.

Chris and Anna head up to the Highlands but get lost when they get off the coach. A local woman rescues them, but they aren't the only people from Grange Hill in the area - Miss Carver is spending a holiday there.

Robyn calls at Mr. Parrott's house, but he's in no fit state for a tutorial. The net closes in on Chris and Anna, and they finally arrive at Chris's grandmother.

Mr. Van Der Groot makes a good impression on Form R2. The ill-maintained heating causes the school to be filled with water, most of it landing on Mr. Hargreaves!

It's love at first sight for Ray when a new American teacher starts, Jacko and his mates start cleaning car windscreens, and Natalie is horrible to everyone.

Jessica publicly dumps Joe and then collapses. Kevin has Wayne's air-gun, but Wayne chooses the Maths lesson to ask it to be returned. As Kevin takes out the gun, Mr. Davies enters and demands to see what's in everyone's bag.

Christophe handles Miss Carver's detention class badly. Chris plans to escape his baptism by leaving home. He tells Anna he's going on a trip, and she surprises him by appearing at the coach station.

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.

Laura and her mother hold a dinner party and Fresh and Fly want to enter the Hip-hop competition - but first Gonch has to get them and their equipment to the venue.

Paula attacks Jessica because of the rumour that Joe groped her, while Mr. Robson and Martha interrogate the boys to get the culprit. During a confrontation with Anna Mrs. Keele keels over.

Jessica is unwell, and boyfriend Joe seems to have lost interest. Wayne has an air pistol, and finds that Kevin is a surprisingly good shot. Wayne wants to know how good he is with a live target, so they go to an animal sanctuary...

Mr. Parrott goes missing, and Robyn visits his flat, fearing for his safety. At the same time, his letter of resignation has landed on Mr. Robson's desk.

The Sixth Formers visit the Hologram Laboratory where Christophe kisses Julie. After writing nothing in the history exam, Josh walks down the corridor and then collapses.

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

Mr. Bronson spoils Danny's work experience and Justine helps Tegs get his shirts clean. Trevor's got a lot of money on a horse - will "Lucky Shark" live up to the promise of his name?

Trevor's drinking gets him into a dangerous situation. At the barbecue, Calley goes cold on Robbie, and Mandy discovers the original reason that Gonch asked her out.

Mrs. Keele, Grange Hill's new headmistress, starts. Ted finally goes to see Chrissy and their baby. Jacko sells flowers from the garden to Liam who gives them to Justine.

Jessica is diagnosed with M.E, but has an offer to stay with an Aunt in California. Dennis uses this as a business opportunity - importing cheap jackets - but Arnie quashes the idea.

The sixth formers are paid to monitor bullying. The French exchange kids arrive, and Arnie takes a fancy to Edith - if only he can summon the courage to ask her to go to the disco....

A clear up is done after the disco, Chris invents a fight to cover up his strict parents' limitation on his social life, and Julie is convinced to give a talk on bullying.