Continuity mistake: Gemma arrives at the grove while the other kids are organising her party. She is a wearing a red hairband but she wasn't wearing that when she was walking up the path to the grove. (00:06:35 - 00:07:23)
Continuity mistake: Debbie Dobson is looking through a photograph album, the pages she has open have photos of her sister Gemma. The angle changes when Gemma enters the room, just before Debbie turns the page the photos that can now be seen are of Debbie herself. (00:04:45)