Phineas and Ferb

Phineas and Ferb (2007 – ...)

2007 • 5 seasons • Animation, Comedy • TV-G

On August 9, 2026

#1086 ▲ 380

1086th by attention TV show online

38.1 Attention Score

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Episode 8 — Ask a Foolish Question

Season 3 • Phineas and Ferb

Released: 2011-05-13 • Animation/Comedy/Family/Sci-Fi & Fantasy

75%

User score

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. Doofenshmirtz loses the key to his latest invention, the "All Purpose-inator," and Agent P must find it before he does.

Where to Stream Episode 8

Season 3 · Episode 8 · Streaming in USA

JustWatch

Amazon Prime Video

The Roku Channel

Episodes

Episode 1
The Great Indoors
2011-03-04

Episode 2
Canderemy
2011-03-04

Episode 3
Run, Candace, Run
2011-03-11

Episode 4
Last Train to Bustville
2011-03-11

Episode 5
Phineas' Birthday Clip-o-Rama!
2011-04-01

Episode 6
The Belly of the Beast
2011-04-29

Episode 7
Moon Farm
2011-04-29

Episode 8
Ask a Foolish Question
2011-05-13

Episode 9
Misperceived Monotreme
2011-05-13

Episode 10
Candace Disconnected
2011-06-18

Episode 11
Magic Carpet Ride
2011-06-18

Episode 12
Bad Hair Day
2011-06-24

Episode 13
Meatloaf Surprise
2011-06-24

Episode 14
Phineas and Ferb Interrupted
2011-07-15

Episode 15
A Real Boy
2011-07-15

Episode 16
Mommy Can You Hear Me?
2011-07-29

Episode 17
Road Trip
2011-07-29

Episode 18
Tour de Ferb
2011-08-12

Episode 19
Skiddley Whiffers
2011-08-26

Episode 20
My Fair Goalie
2011-09-09

Episode 21
Bullseye!
2011-09-30

Episode 22
That's the Spirit
2011-10-07

Episode 23
The Curse of Candace
2011-10-07

Episode 24
Escape From Phineas Tower
2011-10-21

Episode 25
Lotsa Latkes
2011-11-18

Episode 26
Ferb Latin
2011-11-25

Episode 27
A Phineas and Ferb Family Christmas
2011-12-02

Episode 28
Tri-Stone Area
2012-01-13

Episode 29
Doof Dynasty
2012-01-14

Episode 30
Excaliferb
2012-01-15

Episode 31
Phineas and Ferb and the Temple of Juatchadoon
2012-01-20

Episode 32
Monster from the Id
2012-02-10

Episode 33
Gi-Ants
2012-02-10

Episode 34
The Remains of the Platypus
2012-02-24

Episode 35
Mom's In The House
2012-03-02

Episode 36
Perry the Actorpus
2012-03-03

Episode 37
Let's Bounce
2012-03-16

Episode 38
Bully Bromance Break Up
2012-03-16

Episode 39
Quietest Day Ever
2012-03-30

Episode 40
The Doonkelberry Imperative
2012-03-30

Episode 41
Meapless in Seattle
2012-04-06

Episode 42
Delivery of Destiny
2012-04-27

Episode 43
Buford Confidential
2012-04-27

Episode 44
The Mom Attractor
2012-05-04

Episode 45
Cranius Maximus
2012-05-04

Episode 46
Agent Doof
2012-05-11

Episode 47
Minor Monogram
2012-05-11

Episode 48
What A Croc!
2012-06-01

Episode 49
Sleepwalk Surprise
2012-06-08

Episode 50
Sci-Fi Pie Fly
2012-06-08

Episode 51
Sipping with the Enemy
2012-06-22

Episode 52
Tri-State Treasure: Boot of Secrets
2012-06-22

Episode 53
Doofapus
2012-07-06

Episode 54
Norm Unleashed
2012-07-20

Episode 55
Where's Perry (1)
2012-07-26

Episode 56
Where's Perry (2)
2012-08-24

Episode 57
Ferb TV
2012-09-07

Episode 58
When Worlds Collide
2012-09-14

Episode 59
What'd I Miss?
2012-09-17

Episode 60
Road to Danville
2012-10-26

Episode 61
This is Your Backstory
2012-11-02

Episode 62
Blackout
2012-11-30

Information

Creator	Dan Povenmire, Jeff 'Swampy' Marsh
Episode air date	13.05.2011
Episode runtime	11 min
Episode rating	7.50
Genres	Animation / Comedy / Family / Sci-Fi & Fantasy
TMDB series rating	7.9
IMDb series rating	8.1
Series status	Returning series
Age rating	0+
Country	US

Trailer

Additional videos

Phineas and Ferb (2007-2015) Intro

Phineas and Ferb (2007-2015) Intro

▶

Phineas and Ferb Trailer

Phineas and Ferb Trailer

▶

Cast

Vincent Martella

Vincent Martella
Phineas Flynn (voice)

David Errigo Jr.

David Errigo Jr.
Ferb Fletcher (voice)

Ashley French
Candace Flynn (voice)

Caroline Rhea
Linda Flynn-Fletcher (voice)

Dee Bradley Baker

Dee Bradley Baker
Perry the Platypus (voice)

Alyson Stoner
Isabella Garcia-Shapiro (voice)

Dan Povenmire
Heinz Doofenshmirtz (voice)

Jeff 'Swampy' Marsh

Jeff 'Swampy' Marsh
Francis Monogram (voice)

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