Final answer:
Disney Channel's movie titled after a day of unfortunate hair mishaps is called 'Bad Hair Day'. It is a comedic tale of a high school student facing various problems during her prom preparations.
Step-by-step explanation:
The Disney Channel movie that is titled after the experience when someone's hair doesn't look or behave as they would like is Bad Hair Day. This term is colloquially used to describe a day where everything seems to go wrong, starting with an unruly hairstyle. Disney's Bad Hair Day is a comedy that follows the story of a high school student preparing for her prom while dealing with a series of comedic setbacks, one of which is her hair not cooperating.