Watch Phineas and Ferb (2007) Season 4 Episode 21 on 123Movies 4x21

2x1

S2.E1 ∙ The Lake Nose Monster

Thu, Feb 19, 2009

2x2

S2.E2 ∙ Interview with a Platypus/Tip of the Day

Fri, Feb 20, 2009

2x3

S2.E3 ∙ Attack of the 50-Foot Sister/Backyard Aquarium

Sat, Feb 21, 2009

2x4

S2.E4 ∙ Day of the Living Gelatin!/Elementary, My Dear Stacy

Sat, Feb 28, 2009

2x5

S2.E5 ∙ Don't Even Blink/Chez Platypus

Sat, Apr 4, 2009

2x6

S2.E6 ∙ Perry Lays an Egg/Gaming the System

Sat, Apr 11, 2009

2x7

S2.E7 ∙ The Chronicles of Meap

Sat, Apr 18, 2009

2x8

S2.E8 ∙ Thaddeus and Thor/De Plane! De Plane!

Mon, Jun 15, 2009

2x9

S2.E9 ∙ Let's Take a Quiz/At the Car Wash

Mon, Jun 22, 2009

2x10

S2.E10 ∙ Oh, There You Are, Perry/Swiss Family Phineas

Sat, Jul 11, 2009

2x11

S2.E11 ∙ Hide and Seek/That Sinking Feeling

Sat, Jul 18, 2009

2x12

S2.E12 ∙ The Baljeatles/Vanessassary Roughness

Sat, Jul 25, 2009

2x13

S2.E13 ∙ No More Bunny Business/Spa Day

Sat, Aug 1, 2009

2x14

S2.E14 ∙ Phineas and Ferb's Quantum Boogaloo

Mon, Sep 21, 2009

2x15

S2.E15 ∙ Phineas and Ferb's Musical Cliptastic Countdown

Mon, Oct 12, 2009

2x16

S2.E16 ∙ Bubble Boys/Isabella and the Temple of Sap

Sat, Oct 17, 2009

2x17

S2.E17 ∙ Cheer Up, Candace/Fireside Girl Jamboree

Sat, Oct 24, 2009

2x18

S2.E18 ∙ The Bully Code/Finding Mary McGuffin

Sat, Oct 31, 2009

2x19

S2.E19 ∙ Picture This/Nerdy Dancin'

Sat, Nov 7, 2009

2x20

S2.E20 ∙ What Do It Do?/Atlantis

Sat, Nov 14, 2009

2x21

S2.E21 ∙ Phineas and Ferb Christmas Vacation!

Mon, Dec 7, 2009

2x22

S2.E22 ∙ Just Passing Through/Candace's Big Day

Sat, Feb 6, 2010

2x23

S2.E23 ∙ I Was a Middle-Aged Robot/Suddenly Suzy

Sat, Feb 13, 2010

2x24

S2.E24 ∙ Undercover Carl/Hip Hip Parade

Sat, Feb 13, 2010

2x25

S2.E25 ∙ Invasion of the Ferb Snatchers/Ain't No Kiddie Ride

Sat, Feb 20, 2010

2x26

S2.E26 ∙ Not Phineas and Ferb/Phineas and Ferb-Busters

Sat, Feb 27, 2010

2x27

S2.E27 ∙ The Lizard Whisperer/Robot Rodeo

Sat, Mar 6, 2010

2x28

S2.E28 ∙ The Beak

Fri, Mar 12, 2010

2x29

S2.E29 ∙ She's the Mayor/The Lemonade Stand

Mon, Jun 14, 2010

2x30

S2.E30 ∙ Phineas and Ferb Hawaiian Vacation

Fri, Jul 9, 2010

2x31

S2.E31 ∙ Phineas and Ferb: Summer Belongs to You: Parts 1 & 2

Sun, Jul 25, 2010

2x32

S2.E32 ∙ Nerds of a Feather

Mon, Aug 16, 2010

2x33

S2.E33 ∙ Wizard of Odd

Fri, Sep 24, 2010

2x34

S2.E34 ∙ We Call It Maze/Ladies and Gentlemen, Meet Max Modem!

Sun, Aug 22, 2010

2x35

S2.E35 ∙ The Secret of Success/The Doof Side of the Moon

Fri, Oct 8, 2010

2x36

S2.E36 ∙ Split Personality/Brain Drain

Sat, Oct 16, 2010

2x37

S2.E37 ∙ Rollercoaster: The Musical!

Sat, Jan 29, 2011

2x38

S2.E38 ∙ Make Play/Candace Gets Busted

Fri, Feb 11, 2011

3x1

S3.E1 ∙ The Great Indoors/Canderemy

Fri, Mar 4, 2011

3x2

S3.E2 ∙ Run, Candace, Run/Last Train to Bustville

Mon, Mar 7, 2011

3x3

S3.E3 ∙ Phineas' Birthday Clip-O-Rama!

Fri, Apr 1, 2011

3x4

S3.E4 ∙ The Belly of the Beast/Moon Farm

Fri, Apr 29, 2011

3x5

S3.E5 ∙ Ask a Foolish Question/Misperceived Monotreme

Fri, May 13, 2011

3x6

S3.E6 ∙ Candace Disconnected/Magic Carpet Ride

Sat, Jun 18, 2011

3x7

S3.E7 ∙ Bad Hair Day/Meatloaf Surprise

Fri, Jun 24, 2011

3x8

S3.E8 ∙ Phineas and Ferb Interrupted/A Real Boy

Fri, Jul 15, 2011

3x9

S3.E9 ∙ Mommy Can You Hear Me?/Road Trip

Fri, Jul 29, 2011

3x10

S3.E10 ∙ Skiddley Whiffers/Tour de Ferb

Fri, Aug 12, 2011

3x11

S3.E11 ∙ My Fair Goalie

Fri, Sep 9, 2011

3x12

S3.E12 ∙ That's the Spirit/The Curse of Candace

Fri, Oct 7, 2011

3x13

S3.E13 ∙ Ferb Latin/Lotsa Latkes

Fri, Nov 18, 2011

3x14

S3.E14 ∙ A Phineas and Ferb Family Christmas

Fri, Dec 2, 2011

3x15

S3.E15 ∙ Tri-Stone Area/Doof Dynasty

Fri, Jan 13, 2012

3x16

S3.E16 ∙ Excaliferb!

Sun, Jan 15, 2012

3x17

S3.E17 ∙ Monster from the Id/Gi-Ants

Fri, Feb 10, 2012

3x18

S3.E18 ∙ Escape from Phineas Tower/The Remains of the Platypus

Fri, Feb 24, 2012

3x19

S3.E19 ∙ Perry the Actorpus/Bullseye!

Fri, Sep 30, 2011

3x20

S3.E20 ∙ Quietest Day Ever/Bully Bromance Breakup

Fri, Mar 16, 2012

3x21

S3.E21 ∙ Meapless in Seattle

Fri, Apr 6, 2012

3x22

S3.E22 ∙ Delivery of Destiny/Let's Bounce

Fri, Mar 16, 2012

3x23

S3.E23 ∙ The Doonkelberry Imperative/Buford Confidential

Fri, Mar 30, 2012

3x24

S3.E24 ∙ The Mom Attractor/Cranius Maximus

Fri, May 4, 2012

3x25

S3.E25 ∙ Agent Doof/Phineas and Ferb and the Temple of Juatchadoon

Mon, Jan 16, 2012

3x26

S3.E26 ∙ Mom's in the House/Minor Monogram

Fri, May 11, 2012

3x27

S3.E27 ∙ Sleepwalk Surprise/Sci-Fi Pie Fly

Fri, Jun 8, 2012

3x28

S3.E28 ∙ Sipping with the Enemy/Tri-State Treasure: Boot of Secrets

Fri, Jun 22, 2012

3x29

S3.E29 ∙ Doofapus/Norm Unleashed

Fri, Jul 6, 2012

3x30

S3.E30 ∙ Where's Perry? Part I

Thu, Jul 26, 2012

3x31

S3.E31 ∙ Where's Perry? (Part two)

Fri, Aug 24, 2012

3x32

S3.E32 ∙ What a Croc!/Ferb TV

Fri, Sep 7, 2012

3x33

S3.E33 ∙ When Worlds Collide/Road to Danville

Fri, Oct 26, 2012

3x34

S3.E34 ∙ This Is Your Backstory

Fri, Nov 2, 2012

3x35

S3.E35 ∙ Blackout!/What'd I Miss?

Fri, Sep 14, 2012

4x1

S4.E1 ∙ For Your Ice Only/Happy New Year!

Fri, Dec 7, 2012

4x2

S4.E2 ∙ Fly on the Wall/My Sweet Ride

Fri, Jan 11, 2013

4x3

S4.E3 ∙ Sidetracked

Fri, Mar 1, 2013

4x4

S4.E4 ∙ Primal Perry

Sat, Mar 2, 2013

4x5

S4.E5 ∙ Bully Bust/Backyard Hodge Podge

Fri, Jan 18, 2013

4x6

S4.E6 ∙ Bee Day/Bee Story

Tue, Mar 26, 2013

4x7

S4.E7 ∙ Great Balls of Water/Where's Pinky?

Fri, Jun 7, 2013

4x8

S4.E8 ∙ Phineas and Ferb Musical Cliptastic Countdown Hosted by Kelly Osbourne

Fri, Jun 28, 2013

4x9

S4.E9 ∙ Der Kinderlumper/Just Desserts

Fri, Feb 15, 2013

4x10

S4.E10 ∙ Knot My Problem/Mind Share

Fri, Apr 5, 2013

4x11

S4.E11 ∙ La Candace-Cabra/Happy Birthday, Isabella

Fri, Jul 12, 2013

4x12

S4.E12 ∙ Love at First Byte/One Good Turn

Fri, Aug 2, 2013

4x13

S4.E13 ∙ Phineas and Ferb: Mission Marvel: Parts 1 & 2

Fri, Aug 16, 2013

4x14

S4.E14 ∙ Thanks But No Thanks/Troy Story

Fri, Sep 13, 2013

4x15

S4.E15 ∙ Terrifying Tri-State Trilogy of Terror

Sat, Oct 5, 2013

4x16

S4.E16 ∙ Druselsteinoween/Face Your Fear

Fri, Oct 4, 2013

4x17

S4.E17 ∙ Cheers for Fears/Just Our Luck

Fri, Nov 1, 2013

4x18

S4.E18 ∙ Return Policy/Imperfect Storm

Fri, Jan 24, 2014

4x19

S4.E19 ∙ Phineas and Ferb Save Summer: Parts 1 & 2

Mon, Jun 9, 2014

4x20

S4.E20 ∙ The Return of the Rogue Rabbit/Live and Let Drive

Sat, Aug 3, 2013

4x21

S4.E21 ∙ Steampunx/It's No Picnic

Fri, Nov 15, 2013

4x22

S4.E22 ∙ The Klimpaloon Ultimatum

Mon, Jul 7, 2014

4x23

S4.E23 ∙ Operation Crumb Cake/Mandace

Mon, Jul 14, 2014

4x24

S4.E24 ∙ Phineas and Ferb: Star Wars: Parts 1 & 2

Sat, Jul 26, 2014

4x25

S4.E25 ∙ Lost in Danville/The Inator Method

Mon, Sep 29, 2014

4x26

S4.E26 ∙ Night of the Living Pharmacists: Parts 1 & 2

Sat, Oct 4, 2014

4x27

S4.E27 ∙ Tales from the Resistance

Fri, Oct 3, 2014

4x28

S4.E28 ∙ Doof 101/Father's Day

Fri, Jun 13, 2014

4x29

S4.E29 ∙ Act Your Age

Sat, Mar 7, 2015

4x30

S4.E30 ∙ Last Day of Summer

Sun, Jun 14, 2015

4x31

S4.E31 ∙ The O.W.C.A. Files

Sat, Oct 10, 2015

6x1

S6.E1 ∙ Episode #6.1