Phineas and Ferb

Season 2, Episode 8

Episode Title: Don't Even Blink

Air Date: 2009-04-04

Overview:

Fed up with her brother's inventions always disappearing, Candace enlists the help of everyone in the neighbourhood to build and watch a big and obvious invention, that they might finally see exactly what happens to everything. Meanwhile, is it mime? No, it's Doofenshmirtz' new Invisibility Ray.