It’s a hot, hot, hot day in Danville, and WesternAnimation/PhineasAndFerb know what they’re gonna do: build a beach in their backyard! As they create a magnificent coast, filled with hula-dancers, surfing competitions and impromptu musical numbers, Candace once again tries to inform her mom, but finds herself enjoying the beach despite herself. But how long can their fun last when the evil Doctor Doofensmirtz has set out to steal every single lawn gnome in the Tri-State Area?

!Tropes:

* ArtisticLicensePhysics: Stanky Dog says that Phineas's surfing has made one of the judges question UsefulNotes/AlbertEinstein's theory of relativity. However, the formula on the placard is a crossed out E=mc^2, which is ''not'' the relativity formula, but actually the mass-energy conversion formula. A common misconception among those only slightly familiar with science.
* BaitAndSwitch: During the song; Buford tries to bully an unnamed, glasses wearing kid who was being buried in the sand by two girls, by kicking some sand in the kid's face. Enraged, the kid stands up revealing an incredibly thick, and muscular body much larger than Buford's resulting in Buford getting frightened and running off. After he disappears, the sand falls off revealing the kid's actual scrawny build.
* BeachEpisode: Phineas and Ferb turn their backyard into a beach.
* BigNo:
** By Doofenshmirtz when he unwittingly opens Perry's trap.
** Parodied when a DJ lets out one of these... that turns out to be him shouting "Gnoooooomes!"
* BigWhat: Candace lets one out when Linda announces her imminent arrival back home, snapping her out of her trance-like state.
* BilingualBonus: Mr. Doofenshmirtz repeatedly says "Bewegen sie nicht!", which is German for "Don't move".
* BreatherEpisode: On Candace's end. After taking her busting up to eleven in the past episode, this episode has her relax and actually enjoy the boys' big idea, and for the first time, she doesn't try to bust them.
* BrokeTheRatingScale: Phineas's surfing was so awesome, it caused one of the judges to rethink Einstein's theory of relativity.
-->'''Announcer:''' Cowabunga, laws of nature!
* CantYouReadTheSign: When Buford attempts to torment Phineas, Phineas points out a sign that says "No Bullying, No Yodeling".
-->'''Austrian Yodeler''': ''(To Buford)'' I don't like this any more than you do.
* ChekhovsGun: The identical remotes that Doofenshmirtz gets confused on. This helps free Perry.
* CrowdSurfing: Taken literally when the crowd does The Wave, and Phineas surfs it with his surfboard.
* DebutQueue: TheBully Buford van Stomm, Candace's other friend Jenny, as well as her crush Jeremy Johnson, make their debuts in this episode.
* DoesThisRemindYouOfAnything: Linda calling Candace, who replies to her in a dreamy, drawn-out voice as if she's gone high on something.
* FreudianExcuse: The episode that began the tradition of Doofenshmirtz using these to justify his plans. In this case, he was forced to stand in for his family's lawn gnome after theirs was repossessed.
* GoKartingWithBowser: Candace and the boys.
* GrievousHarmWithABody: Buford uses a boy named Bobby Nelson to beat the heck out of Django Brown (a surfer in the competition).
* HilariouslyAbusiveChildhood: As with FreudianExcuse above, this is the episode that introduced us to Doofenshmirtz's parents and their comically over-the-top mistreatment of him.
* HoldUpYourScore: Seen with the judges during the surfing contest.
* ICanSeeMyHouseFromHere: Parodied with Phineas parasailing in the backyard beach.
* InTheStyleOf: Ferb sings "Backyard Beach" in the manner of Jamaican rappers such as Music/{{Shaggy}}.
* MagicCountdown: Linda says she's two minutes away from arriving back home, yet only eight seconds lapse from when she ends her call and when she actually arrives.
* MoodWhiplash: Candace is lovingly telling Mom about what is happening, but Mom isn't fooled and announces that she is coming home, which snaps Candace out of her trance-like state.
* MotorMouth: When Linda demands the truth from Candace, she begins blurting out the whole story at rapid-fire.
* OOCIsSeriousBusiness: Linda becomes worried when Candace ''doesn't'' interrupt her spa day with a hysterical phone call about the boy's latest project, not even one text message. This prompts Linda to cut her spa appointment short and head right home.
* RecordNeedleScratch: Plays when Linda announces her imminent arrival home.
* RummageFail: Doofenshmirtz's remotes.
* ScaryFlashlightFace: Done by Doofenshmirtz prior to his TroubledBackstoryFlashback of the day.
* ScrewThisImOuttaHere: When Linda finds out she didn't get a call from Candace nor a single text message, she immediately cancels her spa day mid-visit and heads right home.
* SecondEpisodeIntroduction: A number of major characters and themes are introduced here, notably Stacy (mentioned before, but seen for the first time) and Buford. It also provides Doofenshmirtz's first backstory, the first instance of Doof not being able to recognize Perry without his hat, and one of the first major musical numbers.
* SnapBack: The beach still remains by the end of the episode, yet [[StatusQuoIsGod it's gone by the next]].
* TheUnreveal: We never know how the Destruct-Inator functions, as Doofenshmirtz accidentally freed Perry.
* TheVoiceless: Though present, Jeremy has no speaking lines.
* WhatTheHellHero: Candace feels this way when the beach disappears.
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