Sci-Fi Pie Fly Phineas and Ferb create their own flying saucer to help solve the mystery of a recent rash of crop circles. Meanwhile, Candace tries to give up her tattling habit by taking a "me" day, and across town, Dr. Doofenshmirtz challenges the local pizzeria's "37 minutes or it's free" rule by using his "Dough-Blow-inator" to generate a powerful current of air to hold the pizza dough aloft indefinitely.