Continuity mistake: In the cafe when Gerald says his line "must dash got a deadline to meet on the school magazine" the same girl (with long brown hair) walks behind him twice within a few seconds.
Grange Hill (1978)
1 continuity mistake in season 20 - chronological order
Starring: Gwyneth Powell, Lee Cornes, Sally Geoghegan, Stuart Organ
Genres: Family
Episode #2.8 - S2-E8
Audio problem: When Cathy and Trisha are walking to the post office with Mr Hargreaves walking behind them their mouths are not moving in sync with their dialogue. (00:09:55)
Mr Baxter: racism, bullying.extortion, I should think that's enough to have you slung out of this school for good six times over.