The Worst Witch
Mildred "Millie" Hubble is the protagonist of the series. She is a good-hearted, but bungling young witch-in-training, who never seems to get anything right. She is friends with Maud Spellbody and Enid Nightshade and has a strong rivalry with Ethel Hallow. It is Miss Hardbroom, her potions teacher, who calls her "The Worst Witch".
The Worst Witch (1998 TV series)
The Worst Witch is a British-Canadian ITV television series about a group of young witches at a school for magic. The series stars Georgina Sherrington and Felicity Jones, and is based on "The Worst Witch" books by Jill Murphy (published from 1974 onwards). It aired for a total of 40 episodes spread over three series between 1998 and 2001, before being followed by "Weirdsister College." Most episodes revolved around the school, following the adventures of Mildred and her friends. The series was later followed by "The New Worst Witch", which ran for two series and chronicled the experiences of Mildred's younger cousin Hettie as she attended the school.