Lilly, Do You Want to Know a Secret? - S1-E1
Continuity mistake: In the cafeteria, when Oliver joins Miley and Lilly at the table the food and trays change position, particularly the milk carton. Then when Oliver stands up and announces that Lilly has the two tickets, suddenly the apple has changed trays and the juice box and milk carton are lying flat.
Horrid Henry and the Demon Dinnerlady - S1-E8
Continuity mistake: In the initial scene, Henry is offered something resembling tomato noodles. As Henry thinks he's poisoned, he is not holding anything. In the next shot, the tray and tomato noodles are on the floor despite not being dropped.
Dr. Danger - S1-E25
Continuity mistake: When Zane finds out that his Father is allied with Dr. Denman, he points with his right hand in one shot then his left hand in the next. (00:18:31)