Phineas and Ferb have a dillema in not being able to decide what their plans for the day are. Candace, in a moment of compassion (and a bit of sympathy for Isabella), gets Ferb to keep them distracted while she prepares a 'date' for them, with the help of The Fireside Girls. Perry has to go fight Doofenshmurtz once again, due to his latest plan involving the "Fakeinator".
Phineas, Ferb & Isabella: Zero Gravity Tunnel
Candace & The Fireside Girls: Romantic Date
"Fakeinator" - Creates a copy of any object, and replicates a noticable fake.
Shrinkinator - See the article for infomation on this. Is already built.
The "Too Young" Line
Adyson's Mom: Aren't you a little old to be asking for Adyson?
Candace: Yeah, but I need a favour!
Isabella: Whatcha doin'?
Phineas: Nothing, we cant think of anything!
Perry's entrance to his lair