A young Denise Richards appeared on an episode of the Neal Patrick Harris series Doogie Howser, M.D. called “Doogstruck.” Really. It’s all very cute and sincere. If you’ve never seen Doogie before, or if you have and just want to remember what the young Neil Patrick Harris looked like before he became one of the most popular actors on the planet, you can watch the entire episode for free on Hulu.com.