The episode is called: 'Phineas & Ferb Get Busted'
No Doofenshmirtz did not miss a episode on Phineas and Ferb.
It was not specified in the episode "Phineas and Ferb's Quantum Boogaloo."
it is from the phineas and ferb christmas special.
sing
phineas and ferb musical cliptastic countdown
phineas and ferb's quantom boogaloo
She wasnt in phineas and ferb, but she is the voice actor of Holly.
Phineas and Ferb's Quantum Boogaloo
in the episode where Phineas and Ferb lases their faces in to Kermillian's comet.
There is a movie called Phineas and Ferb Across The 2nd Dimension
21 of march