Q 01/05

What kind of animal is Perry, the boys' pet and secret agent?

A) An echidna

B) A platypus

C) An otter

D) A beaver

Answer · why

B) A platypus

The creators picked an animal kids could not beg for at a pet store, and one so obscure they could make things up about it.

Q 02/05

How many days of summer vacation do Phineas and Ferb have, according to the theme song?

A) 104

B) 110

C) 120

D) 100

Answer · why

A) 104

The revival's opening was tweaked for a few episodes to 'There's another 104 days of summer vacation'.

Q 03/05

In which fictional city do the Flynn-Fletchers live?

A) Swampville

B) Danville

C) Doofania

D) Tri-City

Answer · why

B) Danville

It sits in an unspecified tri-state area, the territory Doofenshmirtz is forever trying to conquer.

Q 04/05

What is the name of the evil scientist Perry battles in almost every episode?

A) Dr. Diminutive Bloodpudding

B) Professor Esmeralda Poofenplotz

C) Dr. Rodney von Roddenstein

D) Dr. Heinz Doofenshmirtz

Answer · why

D) Dr. Heinz Doofenshmirtz

He is voiced by series co-creator Dan Povenmire, and almost every one of his contraptions ends in '-inator'.

Q 05/05

What do the letters O.W.C.A., the agency Perry works for, stand for?

A) Office of Wildlife Covert Agents

B) Organization With Clever Animals

C) Organization Without a Cool Acronym

D) Order of Well-Camouflaged Animals

Answer · why

C) Organization Without a Cool Acronym

Its rival in the 2025 spin-off Agent P, Under C is A.N.A.T.H.E.M.A., an agency with an 'exceptionally memorable acronym'.