The Worst Witch: Ethel Hallow to the Rescue

SYNOPSIS

Cackles is in the midst of a huge storm, with an evil version of Indigo up in the clouds threatening to destroy the academy, unless they hand over Miss Hardbroom. It's Ethel who bravely steps forward to save the school, until Mildred guesses the truth. Ethel used the Wishing Star to make herself a hero, the whole thing is a set-up. When Ethel loses control of Evil Indigo and all looks lost, help arrives in a surprising form.