| Season Number: | 21 |
| Bgcolour: |
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| Num Episodes: | 20 |
| Network: | BBC One |
| Prev Season: | Series 20 |
| Next Season: | Series 22 |
| Episode List: | List of Grange Hill episodes |
The twenty-first series of the British television drama series Grange Hill began broadcasting on 27 January 1998, before ending on 2 April 1998 on BBC One. The series follows the lives of the staff and pupils of the eponymous school, an inner-city London comprehensive school. It consists of twenty episodes.
See also: List of Grange Hill characters and List of Grange Hill cast members.
| Episode | Writer | Director | Original airdate | |
|---|---|---|---|---|
| 1 | Episode One | Chris Ellis | Philippa Langdale | 27 January 1998 |
| The school holds a Caveman Day for the Year Seven pupils. Ian Hudson ends up taking his role of "hunter" far too seriously. Gemma has fun at teacher Mr. Urdy's expense. | ||||
| 2 | Episode Two | Chris Ellis | Philippa Langdale | 29 January 1998 |
| Adam ends up being found in the woods but his befriended dog comes back with him. Joanna steals some earrings for her mother's birthday present but she has no time for her daughter. | ||||
| 3 | Episode Three | Diane Whitley | Philippa Langdale | 3 February 1998 |
| The Year 8 pupils have to look after flour babies. Zoe and her friends are determined to learn the mystery dog they can hear. Adam ends up getting locked in at night. | ||||
| 4 | Episode Four | Diane Whitley | Philippa Langdale | 5 February 1998 |
| The truth about Adam ends up being revealed. The flour babies are kidnapped and end up being held for ransom. Joanna makes a fool of herself at karaoke held in Ray's café. | ||||
| 5 | Episode Five | Leigh Jackson | Giancarlo Gemin | 10 February 1998 |
| Joanna admits to her mother that she has a drink problem. Franco's indoor baseball ends up causing some problems. After Ian breaks some of Max's glasses he blames Adam. | ||||
| 6 | Episode Six | Leigh Jackson | Giancarlo Gemin | 12 February 1998 |
| Lisa ends up using a few dirty tactics in the Snakeboard challenge. Adam actions end up causing the whole class to earn a detention. Joanna admits her drink problems to the rest of the Sixth Formers. | ||||
| 7 | Episode Seven | Sarah Daniels | Giancarlo Gemin | 17 February 1998 |
| New pupil Sean attempts to help his friend Alec get close to Judi but they need to get rid of Colin first. Adam ends up finding refuge at Miss Carver's house. | ||||
| 8 | Episode Eight | Sarah Daniels | Giancarlo Gemin | 19 February 1998 |
| Mr. Brisley's Art show becomes very popular with Nathan. Alec ends up having no success with Judi. She is much more interested in Wayne. | ||||
| 9 | Episode Nine | Leigh Jackson | Terry Iland | 24 February 1998 |
| Chris sleeps with Laurie whilst his parents are away but the next day he attempts to avoid her. Ian listens in as Miss Carver is talking about Adam's mum and he is soon spreading what he has heard. Adam runs away back to his old house. | ||||
| 10 | Episode Ten | Leigh Jackson | Terry Iland | 26 February 1998 |
| Chris and Laurie end up making up. Sean manages to get even with Wayne for Alec's failure with Judi. Judi is the person who ends up paying the price though. | ||||
| 11 | Episode Eleven | Diane Whitley | Terry Iland | 3 March 1998 |
| Following the knife attack on Judi, Wayne attempts to find the person responsible. Judi discovers that she will be left with a significant scar on her face. | ||||
| 12 | Episode Twelve | Diane Whitley | Terry Iland | 5 March 1998 |
| Some new roller hockey equipment shows up at the school but it is not clear who will be given the chance to use it. Chris and Dill's friendship ends up progressing into something bigger. Judi meets Wayne's horrible brother. | ||||
| 13 | Episode Thirteen | Leigh Jackson | Margy Kinmonth | 10 March 1998 |
| Franco attempts to prove that his spaghetti recipe is better than the school chefs. The Double Dare Gang attempt to work out the mystery of the stolen hockey equipment. | ||||
| 14 | Episode Fourteen | Leigh Jackson | Margy Kinmonth | 12 March 1998 |
| Laurie ends up finding Dill and Chris together. Judi takes off her dressing. Dennis ends up suffering a tough time in the courtroom as he attempts to settle his compensation claim. | ||||
| 15 | Episode Fifteen | Tanika Gupta | Margy Kinmonth | 17 March 1998 |
| Arnie ends up hitting Chris after he finds out about Chris's relationship with Dill. Matt plants drugs on Wayne who ends up being expelled after they fall out of his pocket during a talk on bullying. | ||||
| 16 | Episode Sixteen | Tanika Gupta | Margy Kinmonth | 19 March 1998 |
| The Double Dare Gang manage to return the stolen hockey gear. Judi ends up realizing that the CCTV at the school could help to prove that Wayne is innocent. | ||||
| 17 | Episode Seventeen | Sarah Daniels | Paul Annett | 24 March 1998 |
| Judi's CCTV video footage is replaced by Sean who manages to convince Matt to lie low for a while. Wayne and Judi end up at Matt's front door. | ||||
| 18 | Episode Eighteen | Sarah Daniels | Paul Annett | 26 March 1998 |
| Mrs. Holmes believes there is a rodent infestation at the school after Cracker and Gemma's mice escape. Wayne is able to get Matt to agree to tell Mr. Robson the truth which sees Sean being brought to justice. | ||||
| 19 | Episode Nineteen | Chris Ellis | Paul Annett | 31 March 1998 |
| Dennis buys Lucy a horse, but she refuses the gift. Later, he treats his friends to a great night out, but misses the important interview the next day. | ||||
| 20 | Episode Twenty | Chris Ellis | Paul Annett | 2 April 1998 |
| There is one last surprise for Dennis which includes being reunion with old friends. The French skiing trip coach departs. | ||||
The twenty-first series of Grange Hill has never been released on DVD as of 2016.