Mildred Hubble
Mildred Hubble is a major character in "The Worst Witch" children's book series by Jill Murphy. She is the protagonist in all the books. She is friends with Maud Spellbody and Enid Nightshade and has a strong rivalry with Ethel Hallow and Drusilla Paddock.
Weirdsister College
In 2007, Shock released "Weirdsister College" on DVD, in a boxset with Series 3 of "The Worst Witch", although it is titled as "Series 4" of "The Worst Witch". Shock also released box sets of Series 1 & 2 of "The Worst Witch", and Series 1 & 2 of "The New Worst Witch". These are released only in Australia, but are playable worldwide.