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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photo from the episode

Episode 35 — What Do It Do

Season 2 • Phineas and Ferb

Released: 2009-11-14 • Animation/Comedy/Family/Sci-Fi & Fantasy

90%

User score

The boys reconstuct one of Doofenshmirtz's inventions to discover what it does after it lands in their front yard.

Where to Stream Episode 35

Season 2 · Episode 35 · Streaming in USA

JustWatch

Amazon Prime Video

The Roku Channel

Episodes

Episode 1
The Lake Nose Monster
2009-02-19

Episode 2
Interview with a Platypus
2009-02-20

Episode 3
Tip of the Day
2009-02-21

Episode 4
Attack of the 50 Foot Sister
2009-02-21

Episode 5
Backyard Aquarium
2009-02-21

Episode 6
Day of the Living Gelatin!
2009-02-28

Episode 7
Elementary, My Dear Stacy
2009-02-28

Episode 8
Don't Even Blink
2009-04-04

Episode 9
Chez Platypus
2009-04-04

Episode 10
Perry Lays an Egg
2009-04-11

Episode 11
Gaming the System
2009-04-11

Episode 12
The Chronicles of Meap
2009-04-18

Episode 13
Thaddeus and Thor
2009-06-15

Episode 14
De Plane! De Plane!
2009-06-15

Episode 15
Let's Take a Quiz
2009-06-22

Episode 16
At the Car Wash
2009-06-22

Episode 17
Oh, There You Are, Perry!
2009-07-11

Episode 18
Swiss Family Phineas
2009-07-11

Episode 19
Hide and Seek
2009-07-18

Episode 20
That Sinking Feeling
2009-07-18

Episode 21
The Baljeatles
2009-07-25

Episode 22
Vanessassary Roughness
2009-07-25

Episode 23
No More Bunny Business
2009-08-01

Episode 24
Spa Day
2009-08-01

Episode 25
Phineas and Ferb's Quantum Boogaloo
2009-09-25

Episode 26
Phineas and Ferb's Musical Cliptastic Countdown
2009-10-16

Episode 27
Bubble Boys
2009-10-17

Episode 28
Isabella and the Temple of Sap
2009-10-17

Episode 29
Cheer Up, Candace
2009-10-24

Episode 30
Fireside Girl Jamboree
2009-10-24

Episode 31
The Bully Code
2009-10-31

Episode 32
Finding Mary McGuffin
2009-10-31

Episode 33
Picture This
2009-11-07

Episode 34
Nerdy Dancin'
2009-11-07

Episode 35
What Do It Do
2009-11-14

Episode 36
Atlantis
2009-11-14

Episode 37
Phineas and Ferb Christmas Vacation
2009-12-06

Episode 38
Just Passing Through
2010-02-06

Episode 39
Candace's Big Day
2010-02-06

Episode 40
I Was a Middle Aged Robot
2010-02-13

Episode 41
Suddenly Suzy
2010-02-13

Episode 42
Undercover Carl
2010-02-13

Episode 43
Hip Hip Parade
2010-02-13

Episode 44
Invasion of the Ferb Snatchers
2010-02-20

Episode 45
Ain't No Kiddie Ride
2010-02-20

Episode 46
Not Phineas and Ferb
2010-02-27

Episode 47
Phineas and Ferb-Busters
2010-02-27

Episode 48
The Lizard Whisperer
2010-03-06

Episode 49
Robot Rodeo
2010-03-06

Episode 50
The Beak
2010-03-08

Episode 51
She's the Mayor
2010-06-14

Episode 52
The Lemonade Stand
2010-06-14

Episode 53
Phineas and Ferb Hawaiian Vacation (1)
2010-07-09

Episode 54
Phineas and Ferb Hawaiian Vacation (2)
2010-07-09

Episode 55
Phineas and Ferb: Summer Belongs to You!
2010-08-02

Episode 56
Nerds of a Feather
2010-08-16

Episode 57
Wizard of Odd
2010-09-24

Episode 58
We Call it Maze
2010-10-01

Episode 59
Ladies and Gentlemen, Meet Max Modem!
2010-10-01

Episode 60
The Secret of Success
2010-10-08

Episode 61
The Doof Side of the Moon
2010-10-08

Episode 62
Split Personality
2010-10-29

Episode 63
Brain Drain
2010-10-29

Episode 64
Rollercoaster: The Musical!
2011-01-28

Episode 65
Make Play
2011-02-11

Episode 66
Candace Gets Busted
2011-02-11

Information

Creator	Dan Povenmire, Jeff 'Swampy' Marsh
Episode air date	14.11.2009
Episode runtime	11 min
Episode rating	9.00
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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