Visible crew/equipment: A boom mike shadow can be seen on the wall behind Cathy when Miss Peterson wants a word with her.
Visible crew/equipment: There is a boom mike shadow on the wall behind Tommy when Alan says he has stopped smoking and started eating sweets instead.
Continuity mistake: Mrs McCluskey tells Gripper he is suspended until the end of term but he appears in the next episode.
Continuity mistake: Pogo throws the chair at Gripper legs first but when it goes through the window it has turned round as the chair backrest hits the glass.
Plot hole: In this episode Mrs McLusky is horrified when Mr Sutcliffe suggests staging a girls versus boys contest and tells him that the school does not want to promote sexual inequality, but two episodes earlier (4-16) Mrs McLusky wouldn't let Trisha Yates choose technical drawing as an option, as it was classed as a boys' subject.
Visible crew/equipment: After the fight when the Brookies attempt to steal the cash box Mr Baxter takes it away, there is a boom mic shadow on the wall behind him.
Other mistake: Tucker, Alan and Tommy miss the bus because the driver won't wait, a few minutes later the next bus arrives and it is the same vehicle as the previous one (registration number AML3H).
Visible crew/equipment: When Tucker, Alan and Tommy arrive late for assembly you can see a reflection of a sound man holding a boom mike in the door window.
