Season 1 of The Worst Witch premiered on January 11, 2017.

Mildred Hubble's first year at Cackle's Academy is filled with potions, spells and broomsticks -- and one disaster after the next.

Season 2 of The Worst Witch premiered on January 8, 2018.

A second year at Cackle's Academy means double the magic and mischief for accident-prone witch in training Mildred Hubble and her friends.

Season 3 of The Worst Witch premiered on January 7, 2019.

Armed with newfound confidence, Mildred returns to Cackle's Academy, where her mother is joining the staff as the school's first nonmagical teacher.

Season 4 of The Worst Witch premiered on January 27, 2020.