Revealing mistake: Carlene makes Joanna a cup of coffee in the common room after finding her drunk in the toilet. Joanna refuses to drink it and drops the cup, breaking it - it's obvious that there was never any coffee in the cup.
Grange Hill (1978)
1 revealing mistake in season 20 - chronological order
Starring: Gwyneth Powell, Lee Cornes, Sally Geoghegan, Stuart Organ
Genres: Family
Continuity mistake: The third years in this series were first years in series two.
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: The main entrance and car park of Grange Hill school used from series eight until series eleven are the same ones that are currently used for the BBC1 series Holby City, they are on site at the BBC Elstree Centre.
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