"Phineas and Ferb" Sipping with the Enemy/Tri-State Treasure: Boot of Secrets (TV Episode 2012) - Dan Povenmire as Dr. Heinz Doofenshmirtz, Additional Voices

Dr. Heinz Doofenshmirtz : No, no, you guys are nerds! I'm cool! Well, at least I would've been when I hit myself with the inator, which is now destroyed. CURSE YOU, PERRY THE PLATYPUS!
Dr. Doofenshmirtz : Ah, waiter! Do you mind if I tell you my evil scheme? My nemesis didn't show up today and I still have to... get it out. I figured, since I'm getting nowhere with the older Tri-State population, maybe I should go for the younger demographic; so, behold, the Cool-inator! Well, you can't really behold it. It's... it's out in the car, but, trust me, it's behold-worthy. First, I will suck all the cool out of this place - it being the hippest coffee house in town - then I will blast myself with the cool concentrate, transforming into such an "awesome dude" that you, disaffected youth, will have no choice but to follow me blindly and help me, you know, take over the Tri-State Area!

Dan Povenmire: Dr. Heinz Doofenshmirtz, Additional Voices