On the other hand, the look of the ship has nothing to do with whether someone is going to watch the show or not. It doesn’t even matter if it’s a believable-looking design. It’s gotten to the point where no one would even know what a police call box is anymore, yet the producers of Doctor Who have never felt the need to change or update the outward appearance of the Tardis accordingly for 21st century fan sensibilities. Why? Because it’s an iconic representation of the show. Old fans love it. New fans don’t care because the show is more than just what the time machine looks like.