Episode #1.1 - S1-E1
Continuity mistake: About halfway into the episode we see a woman walk into her house and answer the phone. The door behind her goes from open to closed on its own. (00:24:00)
Deliberate mistake: When the appliance crashes into the drunk driver's car and flips over, water is seen spilling out of the top of the appliance. This appliance was specially designed to flip over by mounting the water tank at the top, to make it unstable enough to tip over.
Episode #1.4 - S1-E4
Continuity mistake: When Station Officer Tate is driving his car in a temper after the argument with his wife, he swerves onto the pavement hitting some rubbish bags. In the next shot he is driving in a straight line down the centre of the road.
Episode #1.1 - S1-E1
Continuity mistake: When Josie is giving brown balls the cat a cuddle, the cat's position keeps changing instantly. (00:12:10)