Phineas and Ferb season 5

As summer vacation begins, Phineas, Ferb, and their friends create five elaborate attractions for the annual Start of Summer Block Party, while Candace tries to bust them. Meanwhile, Perry learns that Dr. Doofenshmirtz has resumed his evil ways and intends to use a "Vaporize-inator" to destroy anything he finds annoying.

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After Linda is accidentally turned into a living cloud by Doofenshmirtz's Vaporize-inator, Phineas, Ferb, Candace, and their friends race to save her before she dissipates. Meanwhile, Doofenshmirtz turns the cloud into a storm that endangers the neighborhood block party.

Phineas and Ferb build a giant submarine sandwich submarine from real food and travel with their friends to the bottom of the Mariana Trench. Candace tags along, neglecting her obligation to compete in a sandcastle contest. Meanwhile, Doofenshmirtz creates a food-stealing-inator while stuck at home waiting for his oven repairman.

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Phineas and Ferb develop gecko-inspired climbing gear to explore Danville as Candace takes her driving test and tries to bust them. Meanwhile, Doofenshmirtz uses his "Red/Green Shift-inator" to manipulate traffic lights and rush home before his groceries spoil.

Guest star: Jonathan Banks as Driving Instructor

Phineas and Ferb build a giant circular ice pathway on a hot summer day, riding it on luges across Danville with their friends. Meanwhile, Doofenshmirtz uses a "Dry-Off-inator" to replace a water park's water with oil made from Doonkleberries.

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Candace and Doofenshmirtz unknowingly share a therapist, Dr. Mosley Shamai, who suspects a link between their experiences through Perry. After investigating and compiling evidence, Shamai attempts a public exposé to reveal his findings.

Guest star: Brendan Hunt as Dr. Shamai

Phineas and friends create a giant zoetrope called "Tropey McTropeface", which rolls away after Doofenshmirtz's plan to tip City Hall misfires. The zoetrope goes on its own journey across the city, inadvertently captures the "Mother Mugger", while Perry stops Doofenshmirtz in time for his bath with Candace.

Guest star: Michael Bublé as himself

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Phineas and Ferb build a massive, intricate bookcase for Lawrence after his collapses, but must defend it from an army of anthropomorphic plants created by Doofenshmirtz's "Face-Plant-inator." Meanwhile, Candace attempts to bust the boys by using psychological tactics on Linda.

Phineas and Ferb take Perry to the veterinarian for his checkup. While the boys build a pet grooming contraption, Perry tries to avoid being microchipped at all costs, with Doofenshmirtz attempting to chip Perry himself.

Guest stars: Kelly Dempsey as Receptionist, Mindy Sterling as Veterinarian

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Carl is forced by Monogram into helping Perry deal with a late night plot from Doofenshmirtz, who keeps stumbling into his series of part-time jobs. Meanwhile, the kids have a game of rocket-powered lacrosse by sending a ball between Danville and Africa with a giant racquet.

The Flynn-Fletchers take a cruise to see the Tri-State Aurora, but when cloud cover threatens to ruin the spectacle, Phineas and Ferb use clown balloons full of helium to lift the ship above them. Meanwhile, Doofensmhirtz brings Vanessa there as his supposed "break from evil", where Vanessa reunites with Monogram's son, Monty.

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Isabella leads a Fireside Girls meeting to determine what cupcake flavor to bring for the Annual Fireside Cupcake Jamboree, however when they reach an impasse over whether to bring vanilla or red velvet cupcakes, and they descend into chaotic disarray. Meanwhile, Perry has to ensure that Doofenshmirtz renews his license to conduct evil business in the proper fashion, and O.W.C.A.'s business license too.

As Phineas and Ferb take Isabella for a ride on a space-faring giant pogo stick, Candace gets suits of herself made from Buford's collection of life-sized molds, aiming to disguise Linda to confuse the "mysterious force" that ruins her busting plans. Meanwhile, Doofenshmirtz's "Leftover-Revive-inator" has made his potato salad sentient and hostile, so Perry works to help him stop this.

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As Stacy learned of Perry's dual identity secret last summer, Perry shows her an instructional video on how to deal with the knowledge. When Perry is captured by Doofenshmirtz and Dr. Diminutive, Stacy must give chase, and break into L.O.V.E.M.U.F.F.I.N. headquarters.

Phineas and Ferb leave Isabella, Baljeet, and Buford to build something cool while they are with Linda; Candace decides to try and bust them. Meanwhile, Doofenshmirtz turns himself into a hideous moth, damaging Perry's hat such that he seeks a haberdasher to fix the microchip inside to avert an O.W.C.A. security breach.

Guest star: Alan Cumming as The Haberdasher

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Baljeet is invited to audition for the next Space Adventure film but does not know how to act so the other kids build him an immersive set. Meanwhile, Doofenshmirtz plans to zap his brother Roger with a "Deface-inator" to make his face instantly forgettable.

Guest star: Lake Bell as Katherine Marshall

Meap believes that Big Mitch has been running fake tours as a front to obtain funds in search of the "Lost Treasure of Zachariah Yore" to fund his criminal empire. When his Alliance does not believe him, he goes rogue and reunites with the Flynn-Fletcher kids and their friends for assistance. While the kids create "Stabby Barf Pain", a combination of all four seasons, to lure Mitch to Earth, Candace and Meap investigate the location of the treasure, tracking it to the Gateway Arch in St. Louis, Missouri.

Guest stars: John Stamos as Meap, Leslie Jones as The Alliance Commander, and David Mitchell as "Big Mitch"

Phineas, Ferb, and their friends have a slumber party at the same time Candace is having one with Stacy and Vanessa. Meanwhile, in a bid to one-up his neighbor who spoils all TV shows, Doofenshmirtz plans to watch the finale of the series Acquaintances and spoil it to the entire Tri-State Area with a giant megaphone.

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Phineas and Ferb build a "forced perspective" old west styled town in the backyard to convince Baljeet to like western movies. While Doofenshmirtz is out of town, Major Monogram and Carl get lost while on an excursion in the swamp, so Perry goes after them, with the three encountering Doofenshmirtz's cousin, Bubba.

The Candace Suit brought to life by Doofenshmirtz's leftover-revive-inator returns, attempting to eat Jeremy, and later Candace herself, as the kids give chase and try to stop it.

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Linda suspects that Samantha Sweetwater, a friend from her book club and mother of Fireside Girl Adyson, does not actually read the books, so seeks Candace's help in order to bust her.

Guest star: Anna Faris as Samantha Sweetwater

Doofenshmirtz brings Vanessa to Drusselstein to take her citizenship test, being surprised and disappointed by how modernized the town has become. Meanwhile, Linda loses her wedding ring in the sink pipes, which fall deep below the house, so the kids build a massive drill to head underground looking for it.

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Phineas and the gang create a giant birdhouse on top of their tree in order to attract the Mockmacaw, a bird with the capability to shapeshift into anything and anyone, hoping to get a picture of it. Meanwhile, Perry discovers Doofenshmirtz's lab has been taken over by giant mantises he had made bigger after being inspired by a "Mantis Facts" book.

Doofenshmirtz creates an inator that projects people's dreams so he doesn't have to hear them poorly described. After initially hitting both Perry and Vanessa, it begins to misfire throughout the city, hitting Buford, Baljeet, Candace, Ferb, Isabella, Linda, and finally Doofenshmirtz himself.

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While Phineas, Ferb, Isabella, and Buford ride floating dandelions with Baljeet observes from below, Irving appears, wanting help to create an invention to impress Phineas and Ferb, so Baljeet agrees to do so. Candace decides to go for a different approach and act "casual" to trick the "mysterious force" in her effort to bust the boys. Meanwhile, Doofenshmirtz has created and is wearing a device that makes him "the centre of his own universe", causing makeshift planets to orbit around him at an increasingly dangerous rate.

After an argument between Doofenshmirtz and Major Monogram on a livestream, they decide to have L.O.V.E.M.U.F.F.I.N. square off in a soccer match against O.W.C.A. Meanwhile, Buford has trouble when playing "Can You Hit That Thing with a Stick", so the others try to help his aim by creating a practice arena.

Guest stars: Cristo Fernández and Megan Rapinoe as themselves

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It is Danville Day, and Phineas and Ferb plan to spruce up the festivities by building a city-wide carnival ride. Doofenshmirtz creates a Dooflicate-inator, to fire at his brother-turned-mayor Roger, however the beam reflects and instead hits Phineas, Ferb, and the other kids, turning them evil in front of Candace's eyes.

Against a sick Buford's wishes, Baljeet shows him an episode of his favorite show, Space Adventure, titled "Gauntlet of Death". The crew of the U.S.S. Minotaur - captain Dirk Mortensen, lieutenant Zarna, cadet Sophia Sharkboard, pilot Nosh, security guard Lomond, and robot DSL-4 - steal the secret plans for the Spiky Ring, a new superweapon being constructed by the Honey Badger Empire and find out their next target is Earth.

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The annual Tri-State Area Droogenfest, which revolves around the signature dish of droogen strudel, is being held, and the Fireside Girls are tasked with creating an authentic droogen strudel to appease Drusselsteinian emissaries, who are planning to strike a trade deal with the Tri-State Area should the dish be perfect. Doofenshmirtz's failed attempt to assist in the strudel baking causes him and Isabella to have a bitter reunion after their shared space adventure. When Doofenshmirtz's scheme succeeds, but causes the emissaries to threaten to cancel their trade deal, he must work together with Isabella and the Fireside Girls to bake another strudel.

Doofenshmirtz has created the End-All-Be-All-inator, which turns out to be so powerful, the entire building goes out. Seeing a man powering a treadmill solely by running gives him an idea: using kinetic energy generated by humans to power his inator. An infomercial Doofenshmirtz has made promises free workouts; Perry goes to the new gym, titled the Doofnasium, to investigate. Meanwhile, Phineas and Ferb have created a land boat that works by temporarily altering the molecules of asphalt on the road, changing them to liquid, to allow movement.

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Phineas and Ferb showcase Croquet Y-8, a giant-sized intermediary between Football X-7 and Hockey Z-9 that uses quantum portals to hit goals placed around the world. Meanwhile, Candace, wanting to take up multitasking, is working with Jeremy on a video about Perry for college credit. Perry deploys a robotic Perry as a decoy, though is warned due to it being faulty, he only has three hours to deal with Doofenshmirtz before it explodes. Doofenshmirtz, who has been wrangling sheep, has created the Go-to-Sheep-inator to help everyone in Danville go to sleep in order to take over the Tri-State Area.

Buford asks Phineas and Ferb for help with a big ball of Christmas lights and the two use a pair of drones to put on a light show. Meanwhile, Vanessa and Monty arrange a dinner date with their fathers, who soon learn about their respective children dating each other, leading to increasingly childish arguments, and Perry stuck as the mediator.

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Phineas and Ferb unveil the Bread Bowl Hot Tub, an invention long-desired by Buford ever since the summer began. Finally getting his big break, Buford spends time in the hot tub, only to find himself stuck on a remote island, as a result of it being hit by Doofenshmirtz's Carb-Away-inator. Now stranded and unable to procure food, Buford's isolation makes him hallucinate the voice of the hot tub, which he names "Chowdina".

With Doofenshmirtz away, Major Monogram has decided to conduct a routine test of Perry's lair entrances with Carl as his lab rat. Meanwhile, the gang decides to conduct an activity of trying to find the perfect mix for an Arnold Palmer. At the same time, Candace overhears Monogram, believing him to be the "Mysterious Force" and seeks his advice.

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A shocked Buford and Baljeet inform Phineas and Ferb that their favorite TV series, Stumbleberry Finklebat, has been cancelled due to unresolved contract negotiations. They decide to build a dungeon-crawling experience inside a dodecahedron die and write their own concluision, one that Candace reluctantly joins as she dislikes LARP. Meanwhile, Doofenshmirtz is on the lookout for love and decides to join the cast of a reality dating show titled Passion Villa.

Candace drives to the mall to look for new earrings for a concert with Jeremy, with Phineas and Ferb tagging along. However, thanks to Doofenshmirtz's new De-power-inator, the three end up trapped in an elevator, while Doofenshmirtz and Perry are stuck in the other.

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A neighbour's Engeron Collider accidentally opens up a rift in space time. The "Master of Fate", who looks just like Baljeet, has arrived to try and close the rift by pulling off a "near impossible" feat; Phineas and Ferb agree to help by creating the ultimate trickshot. Meanwhile, Perry is threatened to lose his top spot as O.W.C.A.'s Number 1 agent to Agent O, due to his poor ability of evading traps, so takes part in a training regime with Doofenshmirtz to improve.

Doofenshmirtz builds sentient machines called "Coin-collect-inators", realizing too late he created sentient vending machines as his worst fear comes to pass: the vending machines rise up and enact the "Vendpocalypse", kidnapping all the citizens in the Tri-State Area. Meanwhile, Norm finds himself tempted over to the vending machines' side, feeling insecure about not being appreciated and treated as part of the family with Doofenshmirtz.