Today is Linda's birthday and Candace tries to make it the best birthday ever. But every time she does, Phineas and Ferb beat her to it. Meanwhile, Dr. Doofenshmirtz tries to shrink everything that he hates so he never has to see them.
Lawrence forgets his wedding anniversary, so Phineas and Ferb help him make it up to Linda por getting their favorito band together for a reunion concert. Meanwhile, Perry helps Doofenshmirtz put together a party for his daughter's Sweet 16