Continuity mistake: In the panic when the hall is evacuated for the bomb alert, Sammy's tiara is knocked off, the angle changes and it is back on her head. Then when the pupils are allowed back in, Sammy and Alex are the first pupils back in the hall - Alex picks the tiara up off the floor and places it on Sammy's head.
Grange Hill (1978)
1 mistake in season 31 - chronological order
Starring: Gwyneth Powell, Lee Cornes, Sally Geoghegan, Stuart Organ
Genres: Family
Imelda: I'm gonna get my dad down here to sort you out.
Mr Baxter: You do that, get your whole family down here, I expect they'll be glad to hear you've been nicking money off first year students. You get them all down here, tell them to wear a funny hat and we'll have a party.
Trivia: Future supermodel Naomi Campbell appears throughout series 5 as an uncredited extra.