Revealing mistake: Doyle is making a chair in woodwork, but as he is fitting one of the legs he hits the chair with a hammer too hard and splits the wood then gets a telling off from Mr Hopwood, the wood was already split before Doyle hit it.
Grange Hill (1978)
1 revealing mistake in Episode #3.13
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.