Phineas and Ferb

Season 2, Episode 19

Episode Title: Hide and Seek

Air Date: 2009-07-18

Overview:

To play a game of indoor hide-and-seek Phineas and Ferb shrink down their friends including, their new extreme fan, Irving. Meanwhile, Dr. Doofenshmirtz attaches a nanobot to Perry in an attempt to discover where he lives.