Snapped: Killer Couples (2013)

Episode Overview

Phineas and Ferb invent a teleportation device, but things take a wild turn when it accidentally swaps Candace and Perry's brains. As they navigate their new realities, chaos ensues when Candace, now in Perry’s body, tries to carry out her usual schemes against her brothers, while Perry, in Candace’s body, struggles to keep his secret agent life under wraps. The mix-up leads to hilarious misunderstandings as they try to figure out how to reverse the switch before anyone discovers their unusual predicament.