Continuity mistake: When Tucker is attacked by the Brookdale boys they pull his blazer off and one of them starts chalking B R O on the back, then the angle changes and "Brookdale no. 1" is written in full.
Episode #4.4 - S4-E4
Revealing mistake: When Mr. Baxter punches Mr. Hicks you can see that Baxter's fist passes in front of Mr. Hicks face and dosen't actually hit him. Also Hicks' reaction is too late, and his head moves after Baxter's fist has passed him.
Continuity mistake: When Miss Peterson falls over during the tug of war, Mr. Hopwood rushes over to see if she is all right. In the long shot she falls on her back, but in the close up she is face down.
Episode #1.8 - S1-E8
Continuity mistake: At the start Benny chases Tucker out of the basement. When they reach the top of the stairs look at the four extras that walk past them: a blonde girl with a red duffel bag, a brown haired girl with a basket, a boy with a black sports bag and a boy with a black Adidas bag. When Benny and Tucker's chase reaches the corridor, the same four extras come out of the classroom on the left.
Continuity mistake: As Doyle is running for the coach he is carrying a brown bag as he boards the coach. Mr. Mitchell tells Doyle off for being late and Doyle's brown bag has disappeared, but he is carrying it again as he walks down the aisle to the back seat.
Visible crew/equipment: When Alan and Hughsie are playing chess you can see a boom mike shadow on the wall.
Continuity mistake: The students action group (SAG) led by Jessica Samuels protests on the sports field during the cricket practice. Mr. Baxter tells them to move and they ignore him, Baxter then says "I've no intention of telling you twice" and they all walk off. The angle changes and Jessica is standing alone - all the kids that were standing around her have disappeared. Jessica was looking to her left as the kids walk off, then to her right at Baxter, then turns to her left to walk off. Another angle change and Jessica is looking to her left before turning to her left and walking off for a second time.
Episode #3.8 - S3-E8
Continuity mistake: During the mime class when Mr. Sutcliffe says "let's get down to some mime" Tracy is about to sit down. The angle changes and Tracy has sat down without having had enough time to move. Also there is no-one sitting on the floor between Duane and Tracy, but when the angle changes Duane and Tracy are sitting further apart, and the girl in the red and white top who was sitting behind them is now between them. Another angle change and all the other kids have changed position.
Episode #3.1 - S3-E1
Visible crew/equipment: There is a boom mike shadow on the coat rail behind Mary in the cloakroom.
Visible crew/equipment: The camera lights are reflected in the side windows of Mr. Robson's car.
Visible crew/equipment: There is a boom mike shadows on the walls of Andrew's living room.
Visible crew/equipment: There is a boom mike shadow on the wall behind Cathy after Mr. Keating tells her to go outside .
Visible crew/equipment: There is a boom mike shadow on the bench behind Benny in the gym when he is talking to Gary.
Continuity mistake: When Ian and Dai hard are on the roof the sky changes from being overcast to clear blue.
Character mistake: In episode 12 Robyn Stone celebrates her fifteenth birthday, but in this episode while she is in Mary's caravan watching the TV news report about her disappearance, the news reader gives her age as fourteen.
Visible crew/equipment: There is a boom mike shadow on Pamela's head when she, Trisha and Suzi are talking to Miss Peterson and Mrs. McClusky.
Episode #4.6 - S4-E6
Visible crew/equipment: A boom mike shadow can be seen on Pogo's head during registration.
Episode #4.3 - S4-E3
Visible crew/equipment: A boom mike shadow can be seen in the kitchen when Clare is talking to her mum.
Visible crew/equipment: There is a boom mike shadow on Pogo just before Mr. Hopwood tells him off.
Visible crew/equipment: A boom mike shadow is on the blackboard when Mr. Hopwood is taking the register and again later on when Hopwood is asking Justin if he knows where Andrew is.