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
Other mistake: When Hudson is briefing the girls' football team he calls Mel Sarah, mixing up the character name (Mel) and actress (Sarah Lawrence).
Vince: My uncle looks like Frank Bough.
Trev: Who cares, Vince?
Vince: My Auntie.
Trivia: Future supermodel Naomi Campbell appears throughout series 5 as an uncredited extra.