1.
Where is Candace and Phineas's biological dad and where is Ferb's biological mom?
2.
How did BOTH of Doofenshmirtz's parents fail to show up for his birth?
3.
How exactly did Perry become a secret agent?
5.
Why did Buford have a life-sized mold of Candace?
6.
What exactly does Doofenshmirtz's ex-wife think he does for a living?
7.
Where do Phineas and Ferb get the money to build these elaborate inventions?
8.
Why was Perry, a PLATYPUS, in a pet shop?
9.
Why doesn't Ferb talk?
10.
Do Phineas and Ferb build these inventions during the school year, too, or is this just a summer activity?
11.
Why have none of the neighbors reported Phineas and Ferb's inventions?
12.
What is Ferb's name short for?
13.
Why doesn't Phineas and Ferb's dad care about their inventions?
14.
Where does Perry keep his hat when he's not on missions?
15.
And finally, what was up with that giant floating baby head?!
