Homer uses his medical insurance to buy Dimoxinil, a miracle hair-growth formula. After growing luxurious locks, he’s given a promotion which allows him to hire a secretary named Karl and…

Brian, afraid that he may have lost his last chance at love, searches for a former flame, Tracy. To his surprise, he discovers that he is the father to her…

When Marshall picks up smoking again, it prompts Lily, Ted and Barney, ex-smokers all, to succumb as well. Meanwhile, Robin gets a new co-anchor at her show…