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    15 Unexplained Things In "Phineas And Ferb" That Still Bother Me

    Can't stop thinking about the giant baby head.

    1. Where is Candace and Phineas's biological dad and where is Ferb's biological mom?

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    This isn't terribly important and definitely doesn't change their sibling bond, but I am curious about the backstory!

    2. How did BOTH of Doofenshmirtz's parents fail to show up for his birth?

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    3. How exactly did Perry become a secret agent?

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    4. How old are Phineas and Ferb?

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    We know it's less than 15, but other than that, they never say!

    5. Why did Buford have a life-sized mold of Candace?

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    6. What exactly does Doofenshmirtz's ex-wife think he does for a living?

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    7. Where do Phineas and Ferb get the money to build these elaborate inventions?

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    And aren't they a LITTLE upset that they always get torn down at the end of the day?

    8. Why was Perry, a PLATYPUS, in a pet shop?

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    There's no way that's legal!

    9. Why doesn't Ferb talk?

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    10. Do Phineas and Ferb build these inventions during the school year, too, or is this just a summer activity?

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    11. Why have none of the neighbors reported Phineas and Ferb's inventions?

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    This has gotta be against some neighborhood association rules.

    12. What is Ferb's name short for?

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    He says it's short for something, but we never get a full name!

    13. Why doesn't Phineas and Ferb's dad care about their inventions?

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    14. Where does Perry keep his hat when he's not on missions?

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    15. And finally, what was up with that giant floating baby head?!

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