Season 3, Episode 35 Mom's in the House
First Aired: March 2, 2012
Perry disappears so Phineas and Ferb create a mechanical device that can assume any form to find him. Meanwhile, Doofenshmirtz invents a Duplicator-Inator to duplicate his own head so he will be twice as smart.
Cast & Details See all »
- Premiered: August 17, 2007
- Rating: TV-G
- Premise: Animated adventures of two stepbrothers who build outlandish inventions in their backyard while their pet platypus, Perry, carries out secret spy missions. (more)