Continuity mistake: Richard and Matthew are on reception duty, and Richard is hacking into Mr. Hargreaves' computer to see if he can find out what Hargreaves did with the money that was for the trip to Russia. The scene cuts to Mr. Robson's geography class where Justine has a message from Mrs. McCluskey to Fran. Richard and Matthew are seen in this class, but when we cut back to reception Richard and Matthew are still on reception duty.
Grange Hill (1978)
1 continuity mistake in Episode #14.9
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)
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.