Season 13

01 Episode 1 Episode 12nd January 1990 Jacko's dog disrupts the first day of the new school year, and the new Deputy Head imposes his discipline on Mauler and Ted. 02 Episode 2 Episode 25th January 1990 Locko falls for one of Neil Timpson's tricks, and Tegs is still hostile towards Justine. 03 Episode 3 Episode 39th January 1990 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. 04 Episode 4 Episode 412th January 1990 Georgina and her friends get some glamour photos taken. Robbie and Mike get involved in a pub brawl. 05 Episode 5 Episode 516th January 1990 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. 06 Episode 6 Episode 619th January 1990 Ronnie gets involved in an animal rights protest outside a Chemists. Mike and Georgina see Calley with her new boyfriend. 07 Episode 7 Episode 723rd January 1990 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. 08 Episode 8 Episode 826th January 1990 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. 09 Episode 9 Episode 930th January 1990 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. 10 Episode 10 Episode 102nd February 1990 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. 11 Episode 11 Episode 116th February 1990 A hunger lunch is given and Matthew's home life, in a crowded noisy, flat takes a turn for the worse. 12 Episode 12 Episode 129th February 1990 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 13 Episode 13 Episode 1313th February 1990 Mike runs his race, and confides in Georgina about the fight. Aichaa has a date with Robbie, and Matthew takes drastic action. 14 Episode 14 Episode 1416th February 1990 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. 15 Episode 15 Episode 1520th February 1990 Justine's reputation is in tatters, Ronnie sees where Calley's boyfriend works, and Robbie and Aichaa get into trouble at a football match. 16 Episode 16 Episode 1623rd February 1990 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. 17 Episode 17 Episode 1727th February 1990 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. 18 Episode 18 Episode 182nd March 1990 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. 19 Episode 19 Episode 196th March 1990 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. 20 Episode 20 Episode 209th March 1990 Mike and Robbie go to court, and with the support of the school, and his father, Mike runs his most important race.