Neil Patrick Harris's big breakthrough was in "Doogie Howser". The at that time 16-year-old played starred as "Doogie Howser", a highly gifted teenager who finished his medical degree at the age of 14. He started working as a junior doctor at the "Eastman Medical Center" in Los Angeles at just 16.
The series Doogie Howser, M.D. is an absolute classic. In the late 80s, and all the way up to the early 90s, fans all over the world were glued to their TVs! The show, which mainly revolved around the teenage doctor "Doogie Howser", was on air from 1989 until 1993. The show turned Neil Patrick Harris into an overnight sensation!