The first episode of Doctor Who aired on November 23rd, 1963. William Hartnell starred as The First Doctor, although he would not known to be only the first until a couple years later when, as part of a plot device, the Doctor regenerated into another body played by another actor. This is a character who travels through time with their companions, solving problems and resolving conflicts. There have been Thirteen doctors to date, with a few unnumbered appearing in small roles. The latest episode aired on January 1st, 2019. Like the title character, Doctor Who transforms itself for newer generations while maintaining a place in the heart of pop culture. This is a show that means so much to so many and the world is better for it.