Prison Blues - S4-E4
Continuity mistake: When Grace is in the bath, the remote control swaps what side of the bath it's lying on, and then completely disappears. (01:17:45)
Prison Blues - S4-E4
Continuity mistake: When Jack goes into the kitchen to pour a coffee, the amount of paper on the kitchen roll decreases. (01:02:55)
Prison Blues - S4-E4
Revealing mistake: When we see Grace rolling down the staircase, when she hits the wall, it gives in, like a cheap set wall. (01:22:10)
Prison Blues - S4-E4
Continuity mistake: When Karen gives her name to the police officer at the prison, the guard behind her opens the jail cell door twice. (01:03:15)