What do you get when you cross Mad Scientist with Timewreck? Doctor Who, of course. This slightly Indica strain has a  built-in resistance to powdery mildew. Recommended for use throughout the day, DOCTOR WHO leaves you with a clear head and ready to take on whatever the universe has to throw at you. There are 4 main phenotypes. All have virtually the same smell and all buds tend to show some purple. The main difference between phenotypes is in the bud structure and the dominant color; buds are either fingery or round, with pale green or purple as their chief color. The purple buds are particularly impressive.