This 53-year-old Doctor Who story changed the landscape of the sci-fi series forever by breaking one of the most important rules of the show, and many subsequent stories have repeated it. Doctor Who has been able to become the longest-running sci-fi show in TV history because of the Doctor’s ability to regenerate, allowing new actors […] The post 53 Years Ago, Doctor Who Broke the Rules of Time Travel For the First Time (& It Never Stopped) appeared first on ComicBook.com .