Double Doofenshmirtz

 is a short series. This short series airs as a show-within-a-show with Disney's Perry the Platypus (Agent P).

Premise
The short series is a mini sketch comedy show. Each short compromises of three two minutes sketches, always featuring Dr. Doofenshmirtz and his 2nd Dimension-self.

Theme Song
The theme song is in the tune of Brand New Best Friend (and It's Me).

Bowling For Soup: Get ready for a tray surprises

In all various shapes and sizes.

Dr. Doofenshmirtz-2: Get ready for

Both Doofenshmirtz: Double Doofenshmirtz!

Dr. Doofenshmirtz: Coming at you right now!

Cast
Characters from Phineas and Ferb appears as the audience.
 * Dan Povenmire as Dr. Doofenshmirtz and Dr. Doofenshmirtz-2
 * Dee Bradley Baker as the camera man
 * Jeff "Swampy" Marsh as the cue card holder