Where's Perry?

  is the title of the first part of the big cliffhanger episode that ends the third season and will start the fourth season of Phineas and Ferb.

Episode Summary
==

Songs

 * Evil For Extra Credit

Perry's entrance to his lair
None.

Background Information

 * The junior novel based on this episode will be released on July 31, 2012.

Allusions

 * The title is a reference to the DC Comics story World Without a Superman.

Cast

 * Vincent Martella as Phineas
 * Ashley Tisdale as Candace
 * Thomas Sangster as Ferb
 * Caroline Rhea as Mom
 * Mitchel Musso as Jeremy
 * Dan Povenmire as Dr. Doofenshmirtz
 * Jeff "Swampy" Marsh as Major Monogram
 * Richard O'Brien as Dad
 * Dee Bradley Baker as Perry
 * Tyler Alexander Mann as Carl