“Doctor Who” is one of the most popular television series in the U.K. and the U.S. alike. It appeals to sci-fi fanatics, in particular, but it’s complex storylines and noteworthy writing also reel in plenty of other viewers. The show began in the 1960s and has evolved quite a bit throughout the decades, featuring a number of different doctors. Bob Canada, a Doctor Who enthusiast and expert, made this infographic showing Doctor Who Through the Ages. With lively, colorful illustrations, it shows the changes the show and the Doctor have undergone since the show’s inception.