Prepare to be charmed by this collection of "The Worst Witch," a series that inspired J.K. Rowling's Harry Potter novels. This video contains the episodes "A Mean Halloween," "Double, Double, Toil and Trouble" and "Monkey Business." Clumsy witch-in-training Mildred Hubble is up to her usual magical shenanigans, including trying to stop outside witches' plans to overtake Miss Cackle's Academy for Witches after Miss Cackle runs away.