It's Tiga's first Witchoween - when everyone celebrates how brilliant witches are! Peggy has asked Tiga and Fran to make a documentary about Sinkville's most famous witches, with Fulffanora helping out as wardrobe director. The intrepid film crew delve into every hidden corner of Sinkville and find mouldy jam, microcats and an astonishing amount of cake, but Tiga can't help feeling that there's something going on behind her back...