To get the most delicious ice cream ever, Phineas and Ferb rocket to the Moon with a few cows in tow in hopes their milk will indeed be able to produce their much desired dessert. Doofenshmirtz creates a Moisture-Suckinator to use against his neighbor's plants in an effort to get a better green thumb than him. Meanwhile, Stacy helps Candace in the kitchen to help her make a romantic dinner for Jeremy, leading to funny results.