Visible crew/equipment: Shadows of the boom, crew, and cameras can be seen moving about in overhead shadows during varied scenes.
Prisoner: Cell Block H (1979)
1 visible crew/equipment mistake in show generally - chronological order
Starring: Betty Bobbitt, Elspeth Ballantyne, Maggie Kirkpatrick, Sheila Florance
Deliberate mistake: After MacNelly enters the ladies room to confront the red haired lady, she shoots the woman in the chest, but there's no gunshot or bullet hole or blood anywhere. But the red haired lady dramatically collapses to the floor. Then during a closeup, glances upward at MacNelly, and then her head droops downward.
Frances Harvey: You'll get yours, ya fat dyke bitch.