Phineas Knows

Phineas finds out about Perry's secret as he sees Perry immediately before he vanishes. Wondering if Perry really is a secret agent as he is beginning to think, Phineas follows Perry on his latest mission: Stop Doofenshmirtz from draining the world's energy resources. Everyone else is busy going about their day.

Songs
None

Trivia

 * Phineas now knows Ferb didn't build that lair. ("Ready For the Bettys")


 * Phineas tells ferb about this and his response is a Ready for The Bettys throwback: "See? Toldya I didn't build that lair".