Buford fears he lost his beloved fish Biff again, though Phineas notices was Perry gone at the same time as Buford's fish, but Phineas and Buford don't realize that both of their pets are secret agents!
No summary at this moment.
The "Too Young" Line
Major Monogram: Aren't you a little old to like fish?
Anna: No, I'm in my 30's, you have problem with that?
Phineas: Well, I guess we'll never know where our pets go every day.
Ferb: Yes, It's still a mystery.
Perry's entrance to his lair
He enters into a broken vacuum, then goes through a tube later seeing Biff and Goldy going through the tube as well.