Continuity mistake: When the squad are following Don on the motorbike in their white Ford Cortina they turn outside a shop called "Chelsea Typewriters". In the shots taken inside the car there is a white Riley parked between the red Fiat and silver Datsun, but in exterior shots there is a space where the Riley is parked.
Continuity mistake: The first scene when Steven and Arlene are in the office you can see a major road through the windows behind them. When the camera is on them in alternate shots the vehicles seen on the road in the first shots should been seen when the angle changes but are not.
Continuity mistake: In the final scene, when Regan is mixing a drink while on the phone to Carter, he opens the fridge and pulls a green bottle out and puts it on the worktop. The scene cuts back to Carter, but when it cuts back to Regan the bottle has disappeared and Regan is pulling ice cubes out of an ice bucket that wasn't there before. Also another green bottle on the worktop has moved away from the wall.
Continuity mistake: At the end of this episode, when one of the robbers drives off in the grey Vauxhall, Carter drives off after him in the security van. But in the following scenes, when the Sweeney are fighting with the rest of the gang, the security van is still parked where it was before Carter drove off in it.