Perry Lays an Egg

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. Heinz Doofenshmirtz plans to get revenge on whales stealing his old girlfriend.

Episode Summary
Phineas and Ferb are in their backyard, trying to make today the hottest 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 Platadroid, 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 instead. Phineas states that nothing says mother's love like a giant robotic platypus butt.

Inside their house, Candace is watching a show about 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 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.

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. 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 take revenge on the whales by speaking a whale song out in the ocean to insult them. Perry thinks the plan is useless and flies off, leaving Doofenshmirtz chasing after him, totally forgetting about his plan at all.

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 that 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 says that Candace shouldn't have made Phineas and Ferb build her a mass of blankets and objects just to watch a bird egg hatch, she leaves with Candace tailing her complaining about after missing all the boy's projects the only one Linda see's is hers.

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, and the episode ends.

Songs
Mother Nature Won

Goofs

 * When Perry goes through the New Pneumatic Transporter, you can see a duplicate of Phineas and Ferb's house. Same in Mother Nature Won, when Phineas and Ferb are about to fly through the air with baby toys.

The "Too Young" Line
None.

Whatcha doin'?
None.

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, and then the rest of him up. Major Monogram called it the 'Pneumatic Transporter'. He himself used it, but ended up with no hair.

Evil Jingle
Doofenshmirtz holding a bucket!

Memorable Quotes
"Doofenshmirtz holding a bucket!"

- Doofenshmirtz's theme song singers

"I just insulted the macaroni and cheese recipe of a whale! What part of that is not evil?"

- Dr. Doofenshmirtz

"The new pneumatic transporter sucks. I mean literally sucked every piece of hair off my body."

- Major Monogram

"Nothing says mother's love like a giant robotic platypus butt."

- Phineas

Background Information
This is the first time we learn a name of a girlfriend of Dr. Doofenshmirtz. (He calls her Elizabeth when he gets stuck in the whale blow hole at the end of the episode.)

Continuity

 * This episode is a possible 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 tells to Isabella "Maybe he'll lay an egg!"
 * The platypus costume Candace wears is nearly the same as what she wore as toy store employee in "Toy to the World". The only difference is that costume in this episode has black hair while the employee costume has teal hair (same color as the body of the costume), and it has a flexible body.
 * This is the second time we see Major Monogram with no hair.
 * In Mother Nature Won, 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!".
 * The rare Whale Singer double breasted hooper is the second shown enemy of the platypus. The first is man. ("Greece Lightning")

Allusions

 * : The Channel Candace watches sounds awfully similar to Animal Planet and slightly PBS's Animal Programming.
 * Star Wars: During "Mother Nature Won," ride a landspeeder to carry all of the baby items. Landspeeders are a mobile vehicle throughout the movies.


 * The Beatles: The song mother Nature Won is a play on Mother Nature's Son
 * Family Guy: When Doofenshmirtz is yelling at Perry, he shouts "I just insulted the Macoroni art of a whale!" If you listen to it closely, you hear him say "hwhale" instaed of "whale", giving more emphasis on the h than needed, a reference to the way Stewie does it in Family Guy, a show that Dan Povenmire was a director on before Phineas and Ferb.

Cast

 * Vincent Martella as Phineas Flynn
 * Thomas Sangster as Ferb Fletcher
 * Ashley Tisdale as Candace Flynn
 * Caroline Rhea as Linda Flynn
 * Dee Bradley Baker as Perry the Platypus
 * Dan Povenmire as Dr. Doofenshmirtz
 * Jeff "Swampy" Marsh as Major Monogram
 * Mitchel Musso as Jeremy Johnson