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You know what this means, don't you?... We're gonna have two Perrys!

— Phineas Flynn

Phineas and Ferb find an egg and believe it's Perry's, and they take care of it until Candace decides to teach them how to properly take care of an egg. Meanwhile, Heinz Doofenshmirtz plans to get revenge on whales for stealing his old girlfriend.

Episode Summary

Candace and the egg, supposed by Phineas and Ferb to be Perry's.

Phineas and Ferb are in their backyard, trying to make today the sunniest day ever. While they climb back down the tree, Ferb accidentally knocks a bird's egg out of its nest, and it rolls all the way down to rest at Perry's foot. Phineas spots it and concludes that Perry has just laid an egg! However, when they both turn around, Perry is gone. He enters his lair. Phineas and Ferb build a contraption, called the Platydroid, that warms the egg and plays Perry's chattering noise at any time to keep the egg safe. They were supposed to build the whole thing as a platypus, but they thought it would take too much time, so they built the bottom half only (the Platy-posterior) instead. Phineas states that nothing says mother's love like a giant robotic platypus butt.

Inside their house, Candace is watching a show about sea turtles. She is eating popcorn and in the show, it says that even if the turtle cannot even walk five feet, it still has a chance of danger. This has an emotional effect on Candace. She opens up the window and sees Phineas and Ferb helping the egg. She runs out and holds the egg. Candace says that the egg needs a mother, so she runs back inside the house and comes out wearing a platypus suit, claiming natural maternity will be more helpful to the egg than their technological platy-posterior.

Candace talking to Phineas and Ferb in Technology vs. Nature.

Meanwhile, Perry meets Doofenshmirtz out in the ocean. He sees Doofenshmirtz throwing a bucket of krill out in the water, and finds out that Doofenshmirtz used to love a girl who loved whales, and since he loved her so much, he invented a Whale-Translator-inator. However, the whale told the girl that she should dump Doofenshmirtz and go out with him. She follows the whale's orders, leaving Doofenshmirtz with a broken heart. He decides to put his "evil plot" into action: revenge on the whales by speaking a whale song out in the ocean to insult them.

Perry does not believe Dr. Doofenshmirtz is doing anything evil and flies off, leaving the mad scientist chasing after him, totally forgetting about his plan at all. He constantly tells Perry to thwart his plan, even by trying to point out very crude parts of his plan, but it just seems to be scaring Perry away.

Phineas and Ferb close the contraption they made, and Ferb pockets it. They then build Candace a rack of clothes and other materials for her to lay on top on with the egg. The egg hatches, but a platypus doesn't come out. Instead, a rare "Whale song-singing double-breasted angle hooper" emerges and Ferb states that the bird is the natural enemy of the platypus in the wild. Since Candace is wearing a platypus suit, the bird begins to attack her.

Linda comes over and sees the pile of baby stuff, and Phineas explains that Candace had them build it so that she could demonstrate to them what motherhood is like. Linda tells Candace that she's going to have to clean it up. She leaves with Candace trailing her, complaining about after missing all the boys' projects the only one Linda sees is hers. Jeremy suddenly enters the backyard inviting Candace somewhere, but makes an awkward pause when he sees her still in her mom suit; Candace brags to Linda because Jeremy understood what she was doing.

At the end, Doofenshmirtz blasts off and gets his head stuck in the blowhole of a whale. Inside, he sees his old girlfriend cooking. She says that dumping him was the best decision she ever made.


Read the transcript of Perry Lays an Egg.



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Running Gags

I know what we're gonna do today!

Phineas: We need the ultimate, best-ever egg hatcher. Ferb, I know what else we're gonna do today!

The "Too Young" Line


Ferb's Lines

Candace: Huh, it was just a bird?
Ferb: That's not just any bird. That's a rare whale song singing double breasted angle hooper. The natural enemy of the platypus in the wild.

What'cha doin'?


Hey, where's Perry?

Phineas: That's an egg. Perry laid an egg! You know what this means, don't you? We're gonna have two Perrys! Congratulations, old boy! You're gonna be a... Hey, where's Perry?

Oh, there you are, Perry


Perry's entrance to his lair

Perry enters by pressing a button on a vacuum in the garage and a pneumatic tube came down and sucked up his hat, then his fur (leaving him in his underwear), and then the rest of him up.

When he reaches the office, he sees Monogram with a beard and hair drawn on with marker, who said that the entrance snatched all the hair off of him.

Evil Jingle

Doofenshmirtz holding a bucket!

Memorable Quotes

Candace: Mom, the remote's not working!

Linda: You know, you could walk five feet and change the channel the old-fashioned way.
Candace: Oh, be for real, Mom. I'd rather watch the stupid nature show.
Linda: (walks out of the room) I'll get batteries while I'm out.
Narrator: This week on Walking with Nature, one of the world's slowest creatures; Chelonia mydas, the sea turtle.

Candace: (gets up) Five feet, huh? (sits back down) Nah, it's still not worth it.
Major Monogram: The new pneumatic transporter sucks. I mean, literally sucked every piece of hair off my body.
Major Monogram: Krill?

Carl: Krill is a small shrimp-like creature that plays an important role in the diet of the humpback whale.

Major Monogram: (scoffs) ..Krill.
Candace: Five feet for popcorn? Fine. Five feet to change the channel? I don't think so!
Narrator: Sadly, the sea hawk wins this battle.
Phineas: Nothing says mother's love like a giant robotic platypus butt.
Candace: Sometimes, I swear I'm the only normal one in this family.
Dr. Doofenshmirtz: I just insulted the macaroni and cheese recipe of a whale! What part of that is not evil? Pause of silence Perry the Platypus, you get back here and thwart me this instant!
Dr. Doofenshmirtz: Thwart me, Perry the Platypus.
Linda: Candace? What are you wearing?

Candace: It's... my mom suit.

Linda: All right. I'll try not to take that as an insult.
Jeremy enters the backyard

Jeremy: Hey, Candace. I was just stopping by to invite you... Jeremy looks at Candace's suit for a second Hm... Well, nice mom suit. Candace turns to Linda's direction

Candace: SEE!? HE GETS IT!

Background Information

  • This is the first time we learn a name of one of Dr. Doofenshmirtz's ex-girlfriends. (He calls her "Elizabeth" when he gets stuck in the whale blow hole at the end of the episode.)
  • When Perry enters his lair, it's shown that he wears green boxers with pink hearts on them (this is the second time we see Perry in his underwear; the first was in the episode "Unfair Science Fair").
  • This is actually the first time Dr. Doofenshmirtrz cares about Perry not foiling his plan because his plan was not evil enough.
  • The platypus costume Candace wears is nearly the same as what she wore as a toy store employee in "Toy to the World". The only differences are that the costume in this episode has black hair while the employee costume has teal hair (same color as the body of the costume), the leggings of the mom costume are green while the employee one it was orange and that it has a flexible body.
  • In Technology vs. Nature, you can see Dan Povenmire's cartoon caricature from "The Fast and the Phineas" during the lines "Science can't improve upon a mother's heart, but given time it could trick out a spleen!".

Production Information

International Premieres

  • April 16, 2009 (Disney Channel Brazil)
  • August 20, 2009 (Disney Channel Spain)
  • June 2, 2011 (Disney XD Canada)


  • Phineas, Ferb, and especially Candace should have known that a male platypus can't lay eggs. It's possible that they just didn't know at the time or that the Flynn-Fletcher family has never been sure of Perry's gender, but if that were the case they would have probably started calling him "she" after they discovered the egg, although they may have just continued referring to him as a male because they are more familiar with it.
  • From the point where Candace says "How can you only manage to see this one?" to the end of the episode, the eyes of her "Mom suit" are blue when they should be brown.
  • When Perry enters his lair, his fur gets sucked up the tube before Perry (in his underwear, no less), but when Perry lands in his chair, he comes down first; he should have come down last and landed in a pile of his fur still in his underwear.


  • This episode is a probable reference to "Rollercoaster": When Isabella asks Phineas if he could teach tricks to Perry, he answers that, being a platypus, Perry "doesn't do much", Ferb replies that platypuses are "The only mammals that lay eggs," after which Phineas says to Isabella "Maybe he'll lay an egg!"
  • At the beginning of the episode after trying to make the sunniest day ever, Phineas says that it's lunchtime and they're already done. This is a possible reference to "Flop Starz" when Phineas says they'll be done by lunchtime.


  • Animal Planet - The channel Candace watches is pretty similar to Animal Planet and PBS' animal programming.
  • Star Wars - During Technology vs. Nature, Phineas and Ferb ride a landspeeder to carry all of the baby items. Landspeeders are a mobile vehicle seen throughout each flim.
  • Ridge Racer 4 - The landspeeder was red and has white racing stripes. This paint job is also used for the Assulotto Vulcano.
  • The Terminator - The Platadroid may be a loose reference to the iconic robots of this movie series. Also, when the Platadroid first appears, music similar to that from the movie's theme song plays.
  • The Beatles - The song "Technology vs. Nature" is a play on Mother Nature's Son.
  • Family Guy - When Doofenshmirtz says "whale," he gives more emphasis on the h than needed, saying "hwhale" instead of "whale", a reference to the way Stewie does it in Family Guy, a show that Dan Povenmire was a director on before Phineas and Ferb, as well as in a commercial that aired during Super Bowl XLVI for Wheat Thins.
  • Star Trek IV: The Voyage Home - When Dr. McCoy says "who would send a probe hundreds of light years to talk to a whale", he also uses the "hwhale" pronunciation.
  • The Marvelous Misadventures of Flapjack - At the end when Doofenshmirtz sees his girlfriend is living inside of a whale, it may be a reference to how Flapjack and K'nuckles also live inside a whale.
  • Finding Nemo - Doofernshmirtz talking to the whale is almost certainly a reference to the well-known scene when Dory "speaks whale".
  • Donkey Kong (Arcade) King Kong - During "Technology vs. Nature" Candace, Phineas, and Ferb stack Stuffed Animals onto a pile. Later, it zooms to a bird eye view of the pile (an above view of the pile) you see an ape stuffed animal which looks similar to King Kong and Donkey Kong on the old arcade promotional art.
  • Apple - During "Technology vs. Nature", one of the settings was a Mac keyboard. It has the command key as well.



"Chez Platypus"
Episodes Next:
"Gaming the System"