An unlikely hero steps forward on the last day of school when an evil presence takes to the skies and threatens to destroy the academy.

With the academy in crisis -- and her friends trapped in a deep freeze -- Mildred considers a selfless sacrifice to save the day.

Julie's newfound magic is a little out of control. Elsewhere, Ethel's so full of rage that she turns herself into a Swamp Troll.

When a guilty Mildred confesses her theft to Miss Hardbroom, it stirs up memories of a fateful friendship -- and a terrible mistake.

Faced with a mess before Indigo's examination, Mildred bewitches a broom -- and sparks a revolution. A mysterious witch comes looking for her dog.

Mildred learns about Cackle's history when she and Ethel accidently slip into the Cackle's of the past.

It's the first day of term and Mildred stumbles upon something very important.

The girls ask their ancestors for help reigniting the Founding Stone. Meanwhile, at the school Halloween party, magic's misfiring in every direction.

There is more than just the Spelling Bee at stake when Miss Hardbroom's rival comes to Cackle's Academy. Meanwhile, Maud and Enid try to help Tabby to catch mice but make things much worse.

Mildred and Ethel are more at odds than ever, so Miss Cackle sets a friendship trap on them, pushing them too close for comfort.

Miss Pentangle teaches modern witching workshops.

Maud’s panic about parent’s evening pushes her to use a forgetting powder, meanwhile Mildred wonders if her mum is a witch after all.

Mildred goes on a hair-raising journey while looking into her magical heritage, meanwhile Ethel thinks she's queen bee when she grows a wart.

Ethel’s clone spell spirals out of control.

Miss Mould helps Mildred with her magic, and Beatrice reveals the source of her sneezing. A famed chantress's biggest fan has an even bigger secret.

Mildred and Enid try to help Maud but accidentally turn her into a baby.

Miss Cackle goes to find out her fate at the Magic Council.

Mildred learns not to take shortcuts when a wisdom spell goes wrong.

Agatha takes over the school, and without Mildred there, who will save the day?

A lesson on family trees gets Mildred thinking about finding her dad. Ethel can’t resist making a cruel joke at Mildred’s expense. Sports Day pushes Maud to take desperate measures.

Enid takes a practical joke too far and is threatened with expulsion. Mildred turns herself into a bat but can’t remember how to turn herself back. Clarice struggles to understand the appeal of practical jokes.

Mildred can't understand why the girls are so scared of collecting potions ingredients in the woods until she comes face to face with an unusual creature.

Mildred meddles in Miss Bat and Mr Rowan-Webb’s relationship.

Mildred is having fun jumping high into the air with Enid, using pirated magic to make the grass bouncy. Maud is getting fed up with Enid constantly distracting Mildred - Maud knows Mildred needs to knuckle down if she's going to stand a chance at the academy and can't bear the thought of losing her.

Miss Cackle isn't herself when the Great Wizard visits, leaving her job in jeopardy.