Bad weather spoils Isabella's plan for the Fireside Girls to earn an achievement patch, so Phineas and Ferb build a huge bio-dome to help her and her troop. Meanwhile, Candace works herself into a frenzy as she decides that she needs to find out what Jeremy likes about her. Over at Evil Inc., Dr. Doofenshmirtz is trying to rain out a big soccer game, just so he can watch his favorite Spanish soap opera.