The Worst Witch．4，The worst witch at sea / The Worst Witch．5，The worst witch saves the day / The Worst Witch．2，The worst witch strikes again / The Worst Witch．6，The worst witch to the rescue / The worst witch all at sea / The worst witch at sea / The worst witch saves the day / The worst witch strikes again / The worst witch and the wishing star The worst witch to the rescue /