Phineas and Ferb Hawaiian Vacation

During a Hawaiian family vacation, Candace finds a cool lava rock necklace and is plagued with bad luck, so a native tells her she must take it to the top of a volcano, which spoils the cool, calm vibe she learned from a Hawaiian yoga instructor. Phineas and Ferb go with Candace and along the way, they ride a few waves with pro surfer Laird Hamilton. Meanwhile, Dr. Doofenshmirtz is also at the same volcano, trying to make the population less intelligent with his "de-evolution-inator."

Part I
The Flynn-Fletcher family arrives in Hawaii for vacation. Linda and Lawrence are looking forward to the Annual Couple’s Surfing Contest while Candace plans on relaxing and taking a ’break’ from trying to bust Phineas and Ferb. The family checks out the gift shop while Lawrence checks them into the hotel with the hotel manager. While the manager calls the bellhop to collect their bags, Perry the Platypus goes to a screen with Major Monogram for his briefing and we find out that Dr. Doofenshmirtz is the reason they went to Hawaii, thanks to Perry's subliminal message in his litter box. Monogram tells Perry to go get Doofenshmirtz whose somewhere in the big islands and find out what he’s up to…and get a hula wiggler for Carl who thinks it would be “neat“. Browsing the gift shop, Candace buys some "Pineapple Serenity Lotion" and Phineas and Ferb buy some aqua primates, or "A-Primes" that are shown crowning the queen, fighting robots, and designing websites on the back of the box. Phineas then wonders where Perry went.

Perry flies into Pink Unicorn Island, which Doofenshmirtz explains that "Skull Island was booked." However, Pink Unicorn Island was cheaper, and he is able to keep the robe. Doofenshmirtz drapes a lei over Perry which quickly binds him, and explains that the reason he is at the islands is that the mini volcanoes contain a primordial ooze which is needed for his De-Evolution-Inator. He plans to use it on the Tri-State Area and devolve everyone so he can take control.

Back at the hotel pool, Candace is able to relax with her serenity lotion while Phineas and Ferb are in their hotel room with their newly hatched A-Primes. Phineas notices how small they are and how they seem to be able to do only one trick, moving toward a light source. He thinks of how much better they could be human size, so he asks Ferb if there's any more of their growth elixir. They go down to the pool and after a quick rule check, dump the A-Primes in, where they grow to human size. Phineas and Ferb jump into the water and do the "A-Prime Calypso." Candace decides to take a yoga class. She covers herself with serenity lotion and while doing a standing back bend, she slips and falls backward into the pool, scaring the A-Primes out of the water. Phineas and Ferb follow them for their improbable creature wrangling time.

At Pink Unicorn Island, Doofenshmirtz shoos some cats away from his fish skeleton-shaped de-evolution-inator and attempts to activate it, after explaining it's path. Nothing happens. He climbs up to it’s lens and attempts to wipe away a smear, only to accidentally hit himself and Perry with the De-Evolution-Inator and they start fighting while randomly evolving and devolving.

The A-Primes run through the hotel and into an elevator, following closely behind are Phineas and Ferb. Candace runs in to follow and bust them but is stopped by the hotel manager whom Candace passes the “bust baton” to. The A-Primes are running amok through the hotel, still being chased by Phineas and Ferb until they are stopped by the Hotel Manager who chases the A-Primes instead.

Back on Pink Unicorn island, more random evolving and devolving is going on.

Candace is finally able to relax with the hotel manager doing her ‘job’. Phineas watches the hotel manager chase the A-Primes from a window and wonders how they are going to round them up. Ferb calls room service and the hotel manager yells, "I'm going to call your mother!" and Candace, down by the pool, yells her number up to him. However, Linda and Lawrence are surfing and don't hear her phone ring so the hotel manager only gets a recording saying, “Hello, you’ve reached Linda Flynn-Fletcher, and if this is Candace, I’m sure that what ever the boys are doing, is nothing.”

Perry finally gets back to normal and turns Doofenshmirtz into a single-cell organism. Phineas and Ferb get the giant flashlight they ordered from room service and use it to bring the A-Primes back. The hotel manager finds their parents and quickly tries to rush them over to see what their boys had done. Before Linda and Lawrence could see, the A-Primes are changes into humans from the De-Evolution-Inator which had shot into space and reflected off a satellite when Perry dumped it into the sea. The hotel manager is dumbfounded while Candace tells him, “Oh, dude, I know, right?”

Part II
Linda, Lawrence, Phineas, and Ferb are Hula dancing and Candace made a sand sculpture of Jeremy that gets run over by a wave. Candace finds a "good" luck tiki charm. Under the water, single-cell Doofenshmirtz is talking with other single-cell organisms and sees his de-evolution-inator. He goes into the molecular scale control panel and swims up to an island. Phineas and Ferb, getting ready to go into the ocean, talk to Candace about her tiki charm. Perry, in his submarine, sees monogram through the parascope and Monogram tells him that the de-evolution-inator is likely on the island of Wata Lotta Hoie. Doofenshmirtz usethe de-evolution-inator in reverse and hits himself so he has the most highly evolved brain on earth, but his head is so big he can't get up. Meanwhile, Candace has a montage of bad luck that she says "Could've been worse, good thing I had my good luck charm." She finally realizes that it's bad luck and tries to get rid of it, but it keeps coming back. A native tells her to take it to Wata Lotta Hoie and throw it into the volcano. After ending up on a surfboard, she runs into Phineas, Ferb, and pro surfer Laird Hamilton. The four of them end up on shore and Candace, with a manta ray stuck to her head, tells Phineas and Ferb about the tiki charm. Phineas throws it away and thinks its gone, but Laird gives it back to her. Candace tells them how to get rid of it for real. Perry, after crashing his submarine, washes up on shore and is found by Doofenshmirtz. He traps Perry and tells him that he's supreme ruler of the Tri-Coconut Area. Doofenshmirtz tells him the he disabled the de-evolution-inator because it did bad things to his head. Phineas, Ferb, and Candace, going through the island, Candace has a lot of bad luck. Doofenshmirtz seperates the island between him and Perry, which he tries to get rid of after he finds out Perry has food. Doofenshmirtz invents the sand-inator to get sand in people's trunks to irritate them. perry has Doofenshmirtz's 'minions' (crabs) on his side. Phineas and Ferb go up the volcano first, then candace a while later, where we find out that it's actually just a restaraunt. Candace's charm is actually a table-ready marker and she gets a free dessert, but Laird Hamilton takes it instead. Perry builds a boat and Doofenshmirtz steals it. Monogram pops out of the sand and tells him that Agent W will take it from here. He also states that he found a tiki charm and that they might get a free dessert at the restaraunt on the other side of the island. Candace, attempting to go down the up escaltor trips and keeps falling. Perry just goes up.

Songs

 * Do The A-Prime Calypso With Me
 * Bad Luck

End Credits
Doofenshmirtz was happy to escape the island, but it was short-lived when Agent W appeared and ate him. Inside Agent W, he tells a pelican that he's the supreme ruler until the pelican bit his nose.

Whatcha doin'?
None.

Perry's entrance to his lair
In Part I, He gets his briefing through a screen on a tiki. In Part II, Perry is seen contacting Monogram on his trademark submarine in his periscope.

Background Information

 * http://www.toonzone.net/forums/showthread.php?t=269634
 * Listed on the Disney Channel TV Schedule.
 * Link http://www.bnqt.com/blogs/detail/Pro-Surfer-Laird-Hamilton-to-Guest-Star-on-Disney-XDs-Phineas-and-Ferb/6164
 * http://www.youtube.com/watch?v=5EsWu2K5Vb0 - Features videos from this episode.
 * http://www.tv.com/video/10471575/phineas-and-ferb--catching-some-waves-with-laird-hamilton?tag=container;show_videos
 * http://tikitalk.astropad.com/archives/phineas-and-ferb-hawaiian-vacation-debuts-july-9/
 * This episode first premiered on Disney XD on Demand on July 7, 2010.
 * This is the first episode in which someone other than Candace wants to bust Phineas and Ferb.
 * This is first episode since Out to Launch to be seen on Disney Channel first.
 * This episode reveals Linda cellphone number is "555-0142", which they use in Hollywood movies. A 555 in a number does not exist.
 * First 2-part episode that doesn't have the their friends Baljeet, Buford, or Isabella.

Continuity

 * Growth elixir is used again. ("Attack of the 50 Foot Sister")
 * Giant baby head makes another appearance.
 * Candace showing her ability to make sand sculpture. ("Atlantis")
 * Doofenshmirtz mistakenly pronounces boat as BO-AT ("Interview with a Platypus")
 * Doofenshmirtz dislikes of Pelicans. ("Mom's Birthday")
 * "____ out, peace!" is said again. ("Unfair Science Fair Redux (Another Story)", "Attack of the 50 Foot Sister" ,"Invasion of the Ferb Snatchers", "The Beak").
 * Multiple doors are seen in one scene again. ("One Good Scare Ought to do It!")
 * Candace is seen with her Teen Preen magazine again ("Don't Even Blink", "Invasion of the Ferb Snatchers") as well as her MP3 player ("Does This Duckbill Make Me Look Fat?", "Not Phineas and Ferb").
 * Candace wears a bikini that looks like the one she had in Lawn Gnome Beach Party of Terror, but in pink.
 * The little girl aqua-primate looks like Adyson and her look-alike in human form.

Allusions

 * This title is a parody of the 1980´s film, National Lampoon's Vacation. It may also refer to The Brady Bunch's Hawaiian vacation.
 * Pele's Curse - Candace getting a curse from the necklace she found.
 * Peter Pan - When Doofenschmirtz is explaining to Perry why he was on Pink Unicorn Island, he says, "I wanted Skull Island right over there, but it was already booked ...." This is a reference to Skull Island.
 * The Suite Life of Zack and Cody - Phill Lewis as the Hotel Manager trying to stop Phineas and Ferb with their actions the same way as Moseby trying to stop Zack and Cody. Coincidentally, Phill Lewis also plays Moseby, the hotel manager in the show. Also, Ashley Tisdale plays the teenage girl in both series.
 * Castaway - Doofenshmirtz being stranded in the island, losing his body weight and having a coconut friend.
 * The Lord of the Rings - Candace must take the cursed Charm and destroy it in the Wata Lotta Hoie volcano, just as Frodo must destroy the Ring in Mount Doom.
 * Aqua Primates are a parody of Sea-Monkeys, a well-known novelty "pet"-raising activity/toy. (In reality, Sea-Monkeys are a species of brine shrimp.)
 * Scooby-Doo - Phineas and Ferb chase the Aqua Primates through multiple doors, parodying a motif often used in chase sequences on the series (complete with similar '70s-style music).
 * 2001: A Space Odyssey - The crabs worshiping the De-evolution-inator resembles the opening scene of this film, in which apes worship a mysterious monolith. Doofenshmirtz points out the "Kubricky" resemblance, in reference to the film's director Stanley Kubrick.
 * Finding Nemo - "Mount Wata Lotta Hoie" is similar to "Mount Wanna Hock A Loogie" from the Disney/Pixar film.
 * Alvin and the Chipmunks: The Squeakquel - Once zapped into human form, the female child of the A-Primes is wearing the same dress as Brittany of The Chipettes
 * Total Drama Island - In the episode "Cast Castway" the cast get stranded in the island the same way as Doofenshmirtz being stranded in the island with Perry the platypus. Also Owen made a coconut friend.Same thing as Doofenshmirtz having coconut friend.
 * Linda and Lawrence's dialog on the surfboard may be a parody of the beach movies popular in the 1960's

Nitpicker's Guide

 * All animals entering the State of Hawaii must undergo a period of quarantine. It's likely that Perry would not have been allowed into the state at all.

Cast

 * Vincent Martella as Phineas
 * Ashley Tisdale as Candace
 * Thomas Sangster as Ferb
 * Caroline Rhea as Mom
 * Dan Povenmire as Dr. Doofenshmirtz
 * Jeff "Swampy" Marsh as Major Monogram
 * Richard O'Brien as Dad
 * Dee Bradley Baker as Perry
 * Phill Lewis as Hotel Manager
 * Laird Hamilton as Himself
 * Allie Mac Kay as Yoga Instructor


 * Additional Voices: Dee Bradley Baker, Grey Delisle, Jess Harnell, Phill Lewis, Allie Mac Kay, Jeff "Swampy" Marsh, Dan Povenmire, Kevin Micheal Richardson, Tara Strong, Kari Wahlgren