The episode is called "Toy To the World!"
that
"Chez Platypus"
chez platypus
"Interview with a platypus."
It was not specified in the episode "Phineas and Ferb's Quantum Boogaloo."
"Chez Platypus"
chez platypus
that
"Interview with a platypus."
They Did It In The First Episode
Rick Cowling sings "The Way of the Platypus" featured in the episode "Doof Dynasty" from Season 3 of Phineas & Ferb.
The episode is called: 'Phineas & Ferb Get Busted'
No Doofenshmirtz did not miss a episode on Phineas and Ferb.
Try checking the Phineas and Ferb category on disneychannel.com, and click on games.
According to Wikipedia it is Sheena Easton
Perry, perry the platypus, or agent P
It was not specified in the episode "Phineas and Ferb's Quantum Boogaloo."