Doctor Who Only Has 7 Episodes

Doctor Who only has 7 episodes. Not literally (although it's not far off by this point.) But in terms of story types, the modern show only features 7 episode concepts it regularly draws from. But what are these story types, how do they work and why is this actually a good thing? Edited by ‪@DuncanJMcMillan‬ ► Patreon   / harbowholmes   ► Subscribe!    / harbowholmes   ► Support me on Ko-Fi! https://ko-fi.com/harbowholmes ► Twitter   / harbowholmes   ► Discord   / discord   ► Reddit   / harbowholmes   #DoctorWho