What do you get when you cross Mad Scientist with Timewreck? Doctor Who, of course. This slightly Indica strain has a high THC content along with a strong, 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 taste 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.