History Recap / PhineasAndFerbJerkDeSoleil

* HeliumSpeech: Dr. Doofenshmirtz's evil plan involved filling the entire tri-state area with "Doofelium", making his high squeaky voice lower in comparison because making his own voice lower would be too much of a hassle. It ends up affecting himself instead, as he yells out his [[CharacterCatchphrase catchphrase]] [[OncePerEpisode ("Curse you Perry the Platypus!")]] in helium speech.

* HeliumSpeech: Dr. Doofenshmirtz's evil plan involved filling the entire tri-state area with "Doofelium", making his high squeaky voice lower in comparison because making his own voice lower would be too much of a hassle. It ends up affecting himself instead, as he yells out his [[{{Catchphrase}} catchphrase]] [[OncePerEpisode ("Curse you Perry the Platypus!")]] in helium speech.

* HoistByHisOwnPetard: Doofenshmirtz' plan to use the Voice-inator's gas to raise everyone else's voices ends up backfiring when he accidentally fills the boys' circus tent with the gas, causing it to fly up and crash into Doofenshmirtz's flying vehicle and veer wildly, making his voice go even higher presumably thanks to the gas leaking all over him.

* ContinuityCavalcade: "E-V-I-L-B-O-Y-S" references basically every previous episode.
* HeliumSpeech: Dr. Doofenshmirtz's evil plan involved filling the entire tri-state area with "Doofelium", making his high squeaky voice lower in comparison because making his own voice lower would be too much of a hassle. Ended up affecting himself and yelling out his [[{{Catchphrase}} catchphrase]] [[OncePerEpisode ("Curse you Perry the Platypus!")]] in helium speech.

* AbnormalAllergy: Candace is revealed to be allergic to wild parsnips. Allergies to this plant are rare in reality but they are still dangerous for another reason. [[note]] The liquid of wild parsnip when combined with sunlight can cause very bad burns on human flesh.[[/note]]

* AbnormalAllergy: Candace is revealed to be allergic to wild parsnips. Allergies to this plant are rare in reality but they are still dangerous for another reason. [[note]] the liquid of wild parsnip when combined with sunlight can cause very bad burns on human flesh.[[/note]]

* HeliumSpeech: Dr. Doofenshmirtz's evil plan involved filling the entire tri-state area with "Doofelium" making his high squeaky voice lower in comparison because making his own voice lower would be too much of a hassle. Ended up affecting himself and yelling out his [[{{Catchphrase}} catchphrase]] [[OncePerEpisode ("Curse you Perry the Platypus!")]] in helium speech.

* BigNo: Candace lets one out when she succumbs to her parsnip allergy.

* HeliumSpeech: Dr. Doofenshmirtz's evil plan involved filling the entire tri-state area with "Doofelium" making his high squeaky voice lower in comparison because making his own voice lower would be too much of a hassle. Ended up affecting himself and yelling out his [[Catchphrase catchphrase]] [[OncePerEpisode ("Curse you Perry the Platypus!")]] in helium speech.

* AbnormalAllergy: Candace is revealed to be allergic to wild parsnips. Allergies to this plant are rare in reality but they are still dangerous for another reason. [[note]] the liquid of wild parsnip when combined with sunlight can cause very bad burns on human flesh.[[/note]

* OffscreenTeleportation: During the backyard circus’s grand finale, when everyone makes a pyramid, Phineas and Ferb appear to be in four different spots on the pyramid at the same time as the camera pans up.

* ListSong: A verse in "E-V-I-L-B-O-Y-S" has Candace list some of the inventions the boys made.

* LarynxDissonance: Candace suddenly gains a low, scratchy masculine voice thanks to her parsnip allergy. It wears off by episode's end.

* BigNo: Candace lets one out when she succumbs to her parsnip allergy.

* BigNo: Candace lets one out when she succumbs to her parsnip allergy.
* CrossDressingVoices: Allergic Candace is voiced by Dan Povenmire, one of the show's creators & the voice of [[MadScientist Dr.]] [[HarmlessVillain Doofenshmirtz]].

* BigNo: Candace lets one out when she succumbs to her parsnip allergy.

* AffectionateParody: As suggested by the title, the kids' circus is a good-natured spoof of Creator/CirqueDuSoleil productions.

* AffectionateParody: As suggested by the title, the kids' circus is a good-natured spoof of Creator/CirqueDuSoleil.

Phineas and Ferb were excited to go to the circus, but when they discover that it got cancelled, they decided to run their own circus with their friends.

Meanwhile Jeremy gives Candace wild parsnips which she is allergic to.

Also during the previous mentioned events. Dr. Doofenshmirtz has invented a device with the aim of making everyone else's voices become higher so his would sound lower by comparison.