Plot: When Candace discovers that Phineas and Ferb have invented a computer that can answer anything, she asks it how she can finally bust her brothers once and for all. Meanwhile, Dr
Cast
Vincent MartellaPhineas Flynn (voice)Vincent Martella was 18 in Phineas And Ferb - Season 3 - Ask a Foolish Question (Episode 8).
Birthday: Thu, Oct 15 1992
Thomas Brodie-SangsterFerb Fletcher (voice)Thomas Brodie-Sangster was 20 in Phineas And Ferb - Season 3 - Ask a Foolish Question (Episode 8).
Birthday: Wed, May 16 1990
Ashley TisdaleCandace Flynn (voice)Ashley Tisdale was 25 in Phineas And Ferb - Season 3 - Ask a Foolish Question (Episode 8).
Birthday: Tue, Jul 02 1985
Caroline RheaLinda Flynn-Fletcher (voice)Caroline Rhea was 47 in Phineas And Ferb - Season 3 - Ask a Foolish Question (Episode 8).
Birthday: Mon, Apr 13 1964
Dee Bradley BakerPerry the Platypus (voice)Dee Bradley Baker was 48 in Phineas And Ferb - Season 3 - Ask a Foolish Question (Episode 8).
Birthday: Fri, Aug 31 1962
Alyson StonerIsabella Garcia-Shapiro (voice)Alyson Stoner was 17 in Phineas And Ferb - Season 3 - Ask a Foolish Question (Episode 8).
Birthday: Wed, Aug 11 1993
Bobby GaylorBuford Van Stomm (voice)Bobby Gaylor was 44 in Phineas And Ferb - Season 3 - Ask a Foolish Question (Episode 8).
Birthday: Sat, Feb 18 1967
Dan PovenmireHeinz Doofenshmirtz (voice)Dan Povenmire was 47 in Phineas And Ferb - Season 3 - Ask a Foolish Question (Episode 8).
Birthday: Wed, Sep 18 1963
Jeff 'Swampy' MarshFrancis Monogram (voice)Jeff 'Swampy' Marsh was 50 in Phineas And Ferb - Season 3 - Ask a Foolish Question (Episode 8).
Birthday: Fri, Dec 09 1960
Maulik PancholyBaljeet Tjinder (voice)Maulik Pancholy was 37 in Phineas And Ferb - Season 3 - Ask a Foolish Question (Episode 8).
Birthday: Fri, Jan 18 1974
Richard O'BrienLawrence Fletcher (voice)Richard O'Brien was 69 in Phineas And Ferb - Season 3 - Ask a Foolish Question (Episode 8).
Birthday: Wed, Mar 25 1942
Mitchel MussoJeremy Johnson (voice)Mitchel Musso was 19 in Phineas And Ferb - Season 3 - Ask a Foolish Question (Episode 8).
Birthday: Tue, Jul 09 1991
Kelly HuStacy Hirano (voice)Kelly Hu was 43 in Phineas And Ferb - Season 3 - Ask a Foolish Question (Episode 8).
Birthday: Tue, Feb 13 1968
Tyler Alexander MannCarl Karl (voice)Tyler Alexander Mann was 18 in Phineas And Ferb - Season 3 - Ask a Foolish Question (Episode 8).
Birthday: Fri, Jan 15 1993
Candi MiloAdditional Voices (voice)Candi Milo was 50 in Phineas And Ferb - Season 3 - Ask a Foolish Question (Episode 8).
Birthday: Mon, Jan 09 1961
Corey BurtonAdditional Voices (voice)Corey Burton was 55 in Phineas And Ferb - Season 3 - Ask a Foolish Question (Episode 8).
Birthday: Wed, Aug 03 1955
Crew
Jay LenderDirectorJay Lender was 41 in Phineas And Ferb - Season 3 - Ask a Foolish Question (Episode 8).
Birthday: Sat, Jun 14 1969
Chong LeeWriter, Storyboard ArtistChong Lee was >> in Phineas And Ferb - Season 3 - Ask a Foolish Question (Episode 8).
Birthday: Unknown Birthday
Bernie PettersonWriter, Storyboard ArtistBernie Petterson was >> in Phineas And Ferb - Season 3 - Ask a Foolish Question (Episode 8).
Birthday: Unknown Birthday
Martin OlsonStoryMartin Olson was 55 in Phineas And Ferb - Season 3 - Ask a Foolish Question (Episode 8).
Birthday: Mon, Apr 02 1956