Other mistake: All throughout this series Grange Hill is celebrating 125 years on the same site, but Grange Hill didn't move to this site until series eight in 1985, when the school merged with Rodney Bennett and Brookdale schools, this being the former Rodney Bennett site.
Grange Hill (1978)
1 mistake in Season 27 generally - chronological order
Starring: Gwyneth Powell, Lee Cornes, Sally Geoghegan, Stuart Organ
Genres: Family
Maria: Do you know what you are, Parrott?
Mr Parrott: Mr Parrott to you.
Maria: A complete prat. The kids know it, the teachers know it, and now it looks like your ex-fiancée has got the message as well.
Trivia: Future supermodel Naomi Campbell appears throughout series 5 as an uncredited extra.