Visible crew/equipment: Two wires can be seen attached to Lavender (because light shines on them) as she floats back to the ground after the Trunchbull charged towards her. This is only visible on video, and has been taken out of the DVD, although you can (barely) see the shadow of the equipment letting her down on the wall behind her.
Harry Wormwood: A book? What do you want a book for?
Matilda: To read.
Harry Wormwood: To read? Why would you want to read when you got the television set sitting right in front of you? There's nothing you can get from a book that you can't get from a television faster.